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382,291 papers found

for “Meta-analysis” · Showing 5,981–6,000 · 2337 ms

Sort:

CommentPublisher AccessPubMedCrossref2010
Meta-analysis that conceals more than it reveals: comment on Storm et al. (2010).
Hyman Ray·Psychological bulletin
Storm, Tressoldi, and Di Risio (2010) rely on meta-analyses to justify their claim that the evidence for psi is consistent and reliable. They manufacture apparent homogeneity and consistency by eliminating many outliers and combining databases whose combined effect sizes are not significantly different-even though thes…
PMID20565165
DOI10.1037/a0019676
PMCIDNot available
PublisherAmerican Psychological Association (APA)
View Publisher
LetterPublisher AccessPubMedCrossref2003
Homocysteine, MTHFR 677C-->T polymorphism, and risk of ischemic stroke: results of a meta-analysis.
Fallon Una B, Ben-Shlomo Yoav·Neurology
Abstract not available
PMID12578952
DOI10.1212/wnl.60.3.526
PMCIDNot available
PublisherOvid Technologies (Wolters Kluwer Health)
View Publisher
Abstract OnlyPubMed2000
[The results of a single clinical trial-is it sufficient information?].
Cucherat M·La Revue du praticien
Meta-analysis is a systematic and quantified synthesis of all clinical trials studying the same question. It is systematic because it implies an exhaustive search for all trials of the studied treatment, favourable or not, published and unpublished. It is quantified because it is based on statistical calculations leadi…
PMID10874861
DOINot available
PMCIDNot available
View on PubMed
LetterAbstract OnlyPubMed1998
Re: CJ Green, DC Hadorn, K Bassett, A Kazanjian, Anticoagulation in chronic nonvalvular atrial fibrillation: a critical appraisal and meta-analysis. 1997;13:811-5.
Mant M J·The Canadian journal of cardiology
Abstract not available
PMID9627519
DOINot available
PMCIDNot available
View on PubMed
Abstract OnlyPubMed1996
[Adjuvant chemotherapy in soft tissue sarcoma: review and meta-analysis of published data of randomized clinical trials].
Budach V·Strahlentherapie und Onkologie : Organ der Deutschen Rontgengesellschaft ... [et al]
Abstract not available
PMID8693407
DOINot available
PMCIDNot available
View on PubMed
LetterPublisher AccessPubMedCrossref2024
Comment on - Is add-on Bevacizumab therapy to Temozolomide and radiotherapy associated with clinical utility for newly diagnosed Glioblastoma? A systematic review and meta-analysis.
Chellapandian Hethesh, Jeyachandran Sivakamavalli·Neurosurgical review
Abstract not available
PMID39349713
DOI10.1007/s10143-024-02934-8
PMCIDNot available
PublisherSpringer Science and Business Media LLC
View Publisher
LetterPublisher AccessPubMedCrossref2024
Re: Selective fetal growth restriction in dichorionic diamniotic twin pregnancy: systematic review and meta-analysis of pregnancy and perinatal outcomes.
Papastefanou I, Nicolaides K H·Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology
Abstract not available
PMID38695215
DOI10.1002/uog.27654
PMCIDNot available
PublisherWiley
View Publisher
Free PDFPubMedPMCUnpaywall+3 more2024
A commentary on 'The role of cytoreductive nephrectomy in metastatic renal cell carcinoma in the targeted therapy and immunological therapy era: a systematic review and meta-analysis' [Int J Surg (2023) 109:982-994].
Wang Qun, Shi Hongjing, Sun Yuxin, +3 more·International journal of surgery (London, England)
Abstract not available
PMID38668669
DOI10.1097/js9.0000000000001064
PMCIDPMC11019989
PublisherOvid Technologies (Wolters Kluwer Health)
Open PDF (web)
LetterPublisher AccessPubMedCrossref2024
Comment on: Meta-analysis of 5-day preoperative radiotherapy for soft tissue sarcoma (5D-PREORTS).
Niu Hua-Qing, Zheng Bo-Yv, Zou Ming-Xiang, +2 more·Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology
Abstract not available
PMID38527627
DOI10.1016/j.radonc.2024.110254
PMCIDNot available
PublisherElsevier BV
View Publisher
LetterPublisher AccessPubMedCrossref2024
Comment on: Evaluation of dressings preventing facial medical device-related pressure injury in medical staff during the COVID-19 pandemic: A systematic review and network meta-analysis.
Tan Caiping, Lin Xiaofang·Journal of clinical nursing
Abstract not available
PMID38407388
DOI10.1111/jocn.17077
PMCIDNot available
PublisherWiley
View Publisher
LetterFree PDFPubMedPMCUnpaywall+2 more2024
Comment on the article 'Endovascular therapy versus best medical management for isolated posterior cerebral artery occlusion: A systematic review and meta-analysis'.
Jhou Hong-Jie, Yang Li-Yu, Chen Po-Huang·European stroke journal
Abstract not available
PMID38009691
DOI10.1177/23969873231216814
PMCIDPMC10916817
PublisherOxford University Press (OUP)
Open PDF (web)
LetterFree PDFPubMedPMCUnpaywall+3 more2023
Comment on Duarte et al. Systematic Review and Network Meta-analysis of Neurostimulation for Painful Diabetic Neuropathy. Diabetes Care 2022;45:2466-2475.
Sharan Ashwini D, Hatheway John A, Murphy Melissa, +6 more·Diabetes care
Abstract not available
PMID37185683
DOI10.2337/dc22-2491
PMCIDPMC10154651
PublisherAmerican Diabetes Association
Open PDF (web)
LetterPublisher AccessPubMedCrossref2023
Leveraging the Short-Term Benefits of Manual Therapy which Includes Exercise Over Exercise Therapy Alone Appears Justified for Knee Osteoarthritis.
Rhon Daniel I, Flynn Timothy W, Shepherd Mark H, +1 more·The Journal of orthopaedic and sports physical therapy
Letter to the Editor-in-Chief in response to JOSPT article "The Benefits of Adding Manual Therapy to Exercise Therapy for Improving Pain and Function in Patients with Knee or Hip Osteoarthritis: A Systematic Review with Meta-analysis" by Runge et al..
PMID36587263
DOI10.2519/jospt.2023.0201
PMCIDNot available
PublisherJournal of Orthopaedic & Sports Physical Therapy (JOSPT)
View Publisher
LetterPublisher AccessPubMedCrossref2022
ß3-Adrenoceptor Agonist for the Treatment of Bladder Dysfunction in Children: A Systematic Review and Meta-Analysis. Letter.
Dai Rong, Deng Changkai·The Journal of urology
Abstract not available
PMID35499491
DOI10.1097/ju.0000000000002730
PMCIDNot available
PublisherOvid Technologies (Wolters Kluwer Health)
View Publisher
LetterPublisher AccessPubMedCrossref2016
Re: A systematic review and network meta-analysis comparing the use of Foley catheters, misoprostol and dinoprostone for cervical ripening in induction of labour: Excessive, uterine activity is a maternal, neurological emergency.
Quinn M J·BJOG : an international journal of obstetrics and gynaecology
Abstract not available
PMID27753252
DOI10.1111/1471-0528.14014
PMCIDNot available
PublisherWiley
View Publisher
ReviewPublisher AccessPubMedCrossref2020
Magnetic Resonance Spectroscopy for Psychiatry: Progress in the Last Decade.
Port John D·Neuroimaging clinics of North America
Psychiatric disorders are common and can be severe. There is a need to identify biomarkers of psychiatric disorders to better diagnose and treat patients with psychiatric symptoms. Magnetic resonance spectroscopy (MRS) is a tool used to measure the levels of various metabolites in the human brain, and MRS studies of ps…
PMID31759569
DOI10.1016/j.nic.2019.09.002
PMCIDNot available
PublisherElsevier BV
View Publisher
Publisher AccessPubMedCrossref2015
Review and Synthesize Completed Research Through Systematic Review.
Hopp Lisa, Rittenmeyer Leslie·Western journal of nursing research
The evidence-based health care movement has generated new opportunity for scholars to generate synthesized sources of evidence. Systematic reviews are rigorous forms of synthesized evidence that scholars can conduct if they have requisite skills, time, and access to excellent library resources. Systematic reviews play…
PMID25845805
DOI10.1177/0193945915578540
PMCIDNot available
PublisherSAGE Publications
View Publisher
ReviewFree PDFPubMedCrossrefUnpaywall+1 more2014
Corroborating evidence-based medicine.
Mebius Alexander·Journal of evaluation in clinical practice
Proponents of evidence-based medicine (EBM) have argued convincingly for applying this scientific method to medicine. However, the current methodological framework of the EBM movement has recently been called into question, especially in epidemiology and the philosophy of science. The debate has focused on whether the…
PMID24738869
DOI10.1111/jep.12129
PMCIDNot available
PublisherWiley
Open PDF (web)
Publisher AccessPubMedCrossref2013
A practitioner's guide to developing critical appraisal skills: reviews of research.
Needleman Ian, Clarkson Jan, Worthington Helen·Journal of the American Dental Association (1939)
BACKGROUND: and overview. This article describes the different types of reviews of research that are available in the literature: systematic reviews and traditional reviews. Systematic reviews have become the reference standard for evidence to inform clinical practice. In this article, the authors set out guidance on a…
PMID23633701
DOI10.14219/jada.archive.2013.0155
PMCIDNot available
PublisherElsevier BV
View Publisher
Publisher AccessPubMedCrossref2021
Summary concordance index for meta-analysis of prognosis studies with a survival outcome.
Hattori Satoshi, Zhou Xiao-Hua·Statistics in medicine
In prognosis studies to evaluate association between a continuous biomarker and a survival outcome, investigators often classify subjects into two subclasses of the high- and low-expression groups and apply simple survival analysis techniques of the Kaplan-Meier method and the logrank test. The high- and low-expression…
PMID34196018
DOI10.1002/sim.9121
PMCIDNot available
PublisherWiley
View Publisher

Searching PubMed for “Meta-analysis” and checking full-text availability…

382,291 papers found

for “Meta-analysis” · Showing 5,981–6,000 · 2337 ms

Sort:

CommentPublisher AccessPubMedCrossref2010
Meta-analysis that conceals more than it reveals: comment on Storm et al. (2010).
Hyman Ray·Psychological bulletin
Storm, Tressoldi, and Di Risio (2010) rely on meta-analyses to justify their claim that the evidence for psi is consistent and reliable. They manufacture apparent homogeneity and consistency by eliminating many outliers and combining databases whose combined effect sizes are not significantly different-even though thes…
PMID20565165
DOI10.1037/a0019676
PMCIDNot available
PublisherAmerican Psychological Association (APA)
View Publisher
LetterPublisher AccessPubMedCrossref2003
Homocysteine, MTHFR 677C-->T polymorphism, and risk of ischemic stroke: results of a meta-analysis.
Fallon Una B, Ben-Shlomo Yoav·Neurology
Abstract not available
PMID12578952
DOI10.1212/wnl.60.3.526
PMCIDNot available
PublisherOvid Technologies (Wolters Kluwer Health)
View Publisher
Abstract OnlyPubMed2000
[The results of a single clinical trial-is it sufficient information?].
Cucherat M·La Revue du praticien
Meta-analysis is a systematic and quantified synthesis of all clinical trials studying the same question. It is systematic because it implies an exhaustive search for all trials of the studied treatment, favourable or not, published and unpublished. It is quantified because it is based on statistical calculations leadi…
PMID10874861
DOINot available
PMCIDNot available
View on PubMed
LetterAbstract OnlyPubMed1998
Re: CJ Green, DC Hadorn, K Bassett, A Kazanjian, Anticoagulation in chronic nonvalvular atrial fibrillation: a critical appraisal and meta-analysis. 1997;13:811-5.
Mant M J·The Canadian journal of cardiology
Abstract not available
PMID9627519
DOINot available
PMCIDNot available
View on PubMed
Abstract OnlyPubMed1996
[Adjuvant chemotherapy in soft tissue sarcoma: review and meta-analysis of published data of randomized clinical trials].
Budach V·Strahlentherapie und Onkologie : Organ der Deutschen Rontgengesellschaft ... [et al]
Abstract not available
PMID8693407
DOINot available
PMCIDNot available
View on PubMed
LetterPublisher AccessPubMedCrossref2024
Comment on - Is add-on Bevacizumab therapy to Temozolomide and radiotherapy associated with clinical utility for newly diagnosed Glioblastoma? A systematic review and meta-analysis.
Chellapandian Hethesh, Jeyachandran Sivakamavalli·Neurosurgical review
Abstract not available
PMID39349713
DOI10.1007/s10143-024-02934-8
PMCIDNot available
PublisherSpringer Science and Business Media LLC
View Publisher
LetterPublisher AccessPubMedCrossref2024
Re: Selective fetal growth restriction in dichorionic diamniotic twin pregnancy: systematic review and meta-analysis of pregnancy and perinatal outcomes.
Papastefanou I, Nicolaides K H·Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology
Abstract not available
PMID38695215
DOI10.1002/uog.27654
PMCIDNot available
PublisherWiley
View Publisher
Free PDFPubMedPMCUnpaywall+3 more2024
A commentary on 'The role of cytoreductive nephrectomy in metastatic renal cell carcinoma in the targeted therapy and immunological therapy era: a systematic review and meta-analysis' [Int J Surg (2023) 109:982-994].
Wang Qun, Shi Hongjing, Sun Yuxin, +3 more·International journal of surgery (London, England)
Abstract not available
PMID38668669
DOI10.1097/js9.0000000000001064
PMCIDPMC11019989
PublisherOvid Technologies (Wolters Kluwer Health)
Open PDF (web)
LetterPublisher AccessPubMedCrossref2024
Comment on: Meta-analysis of 5-day preoperative radiotherapy for soft tissue sarcoma (5D-PREORTS).
Niu Hua-Qing, Zheng Bo-Yv, Zou Ming-Xiang, +2 more·Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology
Abstract not available
PMID38527627
DOI10.1016/j.radonc.2024.110254
PMCIDNot available
PublisherElsevier BV
View Publisher
LetterPublisher AccessPubMedCrossref2024
Comment on: Evaluation of dressings preventing facial medical device-related pressure injury in medical staff during the COVID-19 pandemic: A systematic review and network meta-analysis.
Tan Caiping, Lin Xiaofang·Journal of clinical nursing
Abstract not available
PMID38407388
DOI10.1111/jocn.17077
PMCIDNot available
PublisherWiley
View Publisher
LetterFree PDFPubMedPMCUnpaywall+2 more2024
Comment on the article 'Endovascular therapy versus best medical management for isolated posterior cerebral artery occlusion: A systematic review and meta-analysis'.
Jhou Hong-Jie, Yang Li-Yu, Chen Po-Huang·European stroke journal
Abstract not available
PMID38009691
DOI10.1177/23969873231216814
PMCIDPMC10916817
PublisherOxford University Press (OUP)
Open PDF (web)
LetterFree PDFPubMedPMCUnpaywall+3 more2023
Comment on Duarte et al. Systematic Review and Network Meta-analysis of Neurostimulation for Painful Diabetic Neuropathy. Diabetes Care 2022;45:2466-2475.
Sharan Ashwini D, Hatheway John A, Murphy Melissa, +6 more·Diabetes care
Abstract not available
PMID37185683
DOI10.2337/dc22-2491
PMCIDPMC10154651
PublisherAmerican Diabetes Association
Open PDF (web)
LetterPublisher AccessPubMedCrossref2023
Leveraging the Short-Term Benefits of Manual Therapy which Includes Exercise Over Exercise Therapy Alone Appears Justified for Knee Osteoarthritis.
Rhon Daniel I, Flynn Timothy W, Shepherd Mark H, +1 more·The Journal of orthopaedic and sports physical therapy
Letter to the Editor-in-Chief in response to JOSPT article "The Benefits of Adding Manual Therapy to Exercise Therapy for Improving Pain and Function in Patients with Knee or Hip Osteoarthritis: A Systematic Review with Meta-analysis" by Runge et al..
PMID36587263
DOI10.2519/jospt.2023.0201
PMCIDNot available
PublisherJournal of Orthopaedic & Sports Physical Therapy (JOSPT)
View Publisher
LetterPublisher AccessPubMedCrossref2022
ß3-Adrenoceptor Agonist for the Treatment of Bladder Dysfunction in Children: A Systematic Review and Meta-Analysis. Letter.
Dai Rong, Deng Changkai·The Journal of urology
Abstract not available
PMID35499491
DOI10.1097/ju.0000000000002730
PMCIDNot available
PublisherOvid Technologies (Wolters Kluwer Health)
View Publisher
LetterPublisher AccessPubMedCrossref2016
Re: A systematic review and network meta-analysis comparing the use of Foley catheters, misoprostol and dinoprostone for cervical ripening in induction of labour: Excessive, uterine activity is a maternal, neurological emergency.
Quinn M J·BJOG : an international journal of obstetrics and gynaecology
Abstract not available
PMID27753252
DOI10.1111/1471-0528.14014
PMCIDNot available
PublisherWiley
View Publisher
ReviewPublisher AccessPubMedCrossref2020
Magnetic Resonance Spectroscopy for Psychiatry: Progress in the Last Decade.
Port John D·Neuroimaging clinics of North America
Psychiatric disorders are common and can be severe. There is a need to identify biomarkers of psychiatric disorders to better diagnose and treat patients with psychiatric symptoms. Magnetic resonance spectroscopy (MRS) is a tool used to measure the levels of various metabolites in the human brain, and MRS studies of ps…
PMID31759569
DOI10.1016/j.nic.2019.09.002
PMCIDNot available
PublisherElsevier BV
View Publisher
Publisher AccessPubMedCrossref2015
Review and Synthesize Completed Research Through Systematic Review.
Hopp Lisa, Rittenmeyer Leslie·Western journal of nursing research
The evidence-based health care movement has generated new opportunity for scholars to generate synthesized sources of evidence. Systematic reviews are rigorous forms of synthesized evidence that scholars can conduct if they have requisite skills, time, and access to excellent library resources. Systematic reviews play…
PMID25845805
DOI10.1177/0193945915578540
PMCIDNot available
PublisherSAGE Publications
View Publisher
ReviewFree PDFPubMedCrossrefUnpaywall+1 more2014
Corroborating evidence-based medicine.
Mebius Alexander·Journal of evaluation in clinical practice
Proponents of evidence-based medicine (EBM) have argued convincingly for applying this scientific method to medicine. However, the current methodological framework of the EBM movement has recently been called into question, especially in epidemiology and the philosophy of science. The debate has focused on whether the…
PMID24738869
DOI10.1111/jep.12129
PMCIDNot available
PublisherWiley
Open PDF (web)
Publisher AccessPubMedCrossref2013
A practitioner's guide to developing critical appraisal skills: reviews of research.
Needleman Ian, Clarkson Jan, Worthington Helen·Journal of the American Dental Association (1939)
BACKGROUND: and overview. This article describes the different types of reviews of research that are available in the literature: systematic reviews and traditional reviews. Systematic reviews have become the reference standard for evidence to inform clinical practice. In this article, the authors set out guidance on a…
PMID23633701
DOI10.14219/jada.archive.2013.0155
PMCIDNot available
PublisherElsevier BV
View Publisher
Publisher AccessPubMedCrossref2021
Summary concordance index for meta-analysis of prognosis studies with a survival outcome.
Hattori Satoshi, Zhou Xiao-Hua·Statistics in medicine
In prognosis studies to evaluate association between a continuous biomarker and a survival outcome, investigators often classify subjects into two subclasses of the high- and low-expression groups and apply simple survival analysis techniques of the Kaplan-Meier method and the logrank test. The high- and low-expression…
PMID34196018
DOI10.1002/sim.9121
PMCIDNot available
PublisherWiley
View Publisher

382,291 papers found

Meta-analysis that conceals more than it reveals: comment on Storm et al. (2010).

Homocysteine, MTHFR 677C-->T polymorphism, and risk of ischemic stroke: results of a meta-analysis.

[The results of a single clinical trial-is it sufficient information?].

Re: CJ Green, DC Hadorn, K Bassett, A Kazanjian, Anticoagulation in chronic nonvalvular atrial fibrillation: a critical appraisal and meta-analysis. 1997;13:811-5.

[Adjuvant chemotherapy in soft tissue sarcoma: review and meta-analysis of published data of randomized clinical trials].

Comment on - Is add-on Bevacizumab therapy to Temozolomide and radiotherapy associated with clinical utility for newly diagnosed Glioblastoma? A systematic review and meta-analysis.

Re: Selective fetal growth restriction in dichorionic diamniotic twin pregnancy: systematic review and meta-analysis of pregnancy and perinatal outcomes.

A commentary on 'The role of cytoreductive nephrectomy in metastatic renal cell carcinoma in the targeted therapy and immunological therapy era: a systematic review and meta-analysis' [Int J Surg (2023) 109:982-994].

Comment on: Meta-analysis of 5-day preoperative radiotherapy for soft tissue sarcoma (5D-PREORTS).

Comment on: Evaluation of dressings preventing facial medical device-related pressure injury in medical staff during the COVID-19 pandemic: A systematic review and network meta-analysis.

Comment on the article 'Endovascular therapy versus best medical management for isolated posterior cerebral artery occlusion: A systematic review and meta-analysis'.

Comment on Duarte et al. Systematic Review and Network Meta-analysis of Neurostimulation for Painful Diabetic Neuropathy. Diabetes Care 2022;45:2466-2475.

Leveraging the Short-Term Benefits of Manual Therapy which Includes Exercise Over Exercise Therapy Alone Appears Justified for Knee Osteoarthritis.

ß3-Adrenoceptor Agonist for the Treatment of Bladder Dysfunction in Children: A Systematic Review and Meta-Analysis. Letter.

Re: A systematic review and network meta-analysis comparing the use of Foley catheters, misoprostol and dinoprostone for cervical ripening in induction of labour: Excessive, uterine activity is a maternal, neurological emergency.

Magnetic Resonance Spectroscopy for Psychiatry: Progress in the Last Decade.

Review and Synthesize Completed Research Through Systematic Review.

Corroborating evidence-based medicine.

A practitioner's guide to developing critical appraisal skills: reviews of research.

Summary concordance index for meta-analysis of prognosis studies with a survival outcome.

382,291 papers found

Meta-analysis that conceals more than it reveals: comment on Storm et al. (2010).

Homocysteine, MTHFR 677C-->T polymorphism, and risk of ischemic stroke: results of a meta-analysis.

[The results of a single clinical trial-is it sufficient information?].

Re: CJ Green, DC Hadorn, K Bassett, A Kazanjian, Anticoagulation in chronic nonvalvular atrial fibrillation: a critical appraisal and meta-analysis. 1997;13:811-5.

[Adjuvant chemotherapy in soft tissue sarcoma: review and meta-analysis of published data of randomized clinical trials].

Comment on - Is add-on Bevacizumab therapy to Temozolomide and radiotherapy associated with clinical utility for newly diagnosed Glioblastoma? A systematic review and meta-analysis.

Re: Selective fetal growth restriction in dichorionic diamniotic twin pregnancy: systematic review and meta-analysis of pregnancy and perinatal outcomes.

A commentary on 'The role of cytoreductive nephrectomy in metastatic renal cell carcinoma in the targeted therapy and immunological therapy era: a systematic review and meta-analysis' [Int J Surg (2023) 109:982-994].

Comment on: Meta-analysis of 5-day preoperative radiotherapy for soft tissue sarcoma (5D-PREORTS).

Comment on: Evaluation of dressings preventing facial medical device-related pressure injury in medical staff during the COVID-19 pandemic: A systematic review and network meta-analysis.

Comment on the article 'Endovascular therapy versus best medical management for isolated posterior cerebral artery occlusion: A systematic review and meta-analysis'.

Comment on Duarte et al. Systematic Review and Network Meta-analysis of Neurostimulation for Painful Diabetic Neuropathy. Diabetes Care 2022;45:2466-2475.

Leveraging the Short-Term Benefits of Manual Therapy which Includes Exercise Over Exercise Therapy Alone Appears Justified for Knee Osteoarthritis.

ß3-Adrenoceptor Agonist for the Treatment of Bladder Dysfunction in Children: A Systematic Review and Meta-Analysis. Letter.

Re: A systematic review and network meta-analysis comparing the use of Foley catheters, misoprostol and dinoprostone for cervical ripening in induction of labour: Excessive, uterine activity is a maternal, neurological emergency.

Magnetic Resonance Spectroscopy for Psychiatry: Progress in the Last Decade.

Review and Synthesize Completed Research Through Systematic Review.

Corroborating evidence-based medicine.

A practitioner's guide to developing critical appraisal skills: reviews of research.

Summary concordance index for meta-analysis of prognosis studies with a survival outcome.