11,351,068 papers found

We report a case of hypervagotonia manifested by idioventricular rhythm in a healthy, athletic man who participated in a Phase I study of an investigational calcium-channel blocker. Upon breaking the study's double-blind study code, it was discovered that the subject had received placebo. We discuss this unusual findin…

OBJECTIVES: Death rates for community-acquired pneumonia based on relatively small-scale, published studies tend to exceed 15% to 20%. This study reexamined these estimates by using very large, population-based databases. METHODS: Death rates from 1993 associated with community-acquired pneumonia were reexamined with…

In this study we investigated the level of knowledge and ideas of the university students and staff, about the last stage of Tobacco Law No. 5727, which came into force on 19 July 2009 in our country. This is descriptive questionnaire survey. Study's universe was consisting of the students 2009-2010 academic year study…

A major research project of the Center for Studying Health System Change (HSC) analyzes how the health system is evolving in 60 communities across the United States and the effects of those changes on people. Underway since 1996, the Community Tracking Study, which is funded exclusively by the The Robert Wood Johnson F…

Dental erosion is a demineralization process that affects hard dental tissues (such as enamel and dentin), independent of any microbial action. This study evaluated certain common beverages and their abilities to initiate cervical erosion lesions. The progression of these lesions was monitored in an accelerated test co…

Compared to previous studies, the 2004 Replacement Ratio Study from Aon Consulting/Georgia State University shows an increase in the amount of income today's workers need at retirement to maintain their preretirement standard of living. After describing the study's replacement ratio findings, the authors estimate lump…

Based on data about illness-free survival obtained studying a group of 192 patients affected by breast cancer, we have made some calculations about tumoral growth kinetics, using the theoretical presumptions of the exponential model. Tumoral recurrence in the different stages (S-I = 35%, S-II = 38%, S-III = 53% y S-IV…

Body temperature in postanesthesia patients is considered to be an important vital sign; yet, measurement sites may vary from oral to axillary and rectal to tympanic membrane. The reviewed literature indicated that axillary and rectal temperatures are measures of shell temperature and esophageal and tympanic temperatur…

The hypothesis that self-perceptions would be more advanced developmentally than peer perceptions was assessed. The sample consisted of 80 males between 15 and 18 years of age. A structured interview was employed to obtain descriptions of self and a best friend. These data were coded into systems defining the construct…

OBJECTIVE: To assess whether systematic reviews (SRs), the gold standard for scientific research, can offer valuable support in evidence-based psychiatry in the treatment of schizophrenia. METHODS: We used three database services (Ovid, PubMed and Cochrane) to identify SRs related to schizophrenia, found 163 reviews a…

A recent study shows a link between very high-risk sexual behavior and meeting sex partners on-line. Investigators theorize that the results may mean that traditional messages about the dangers of HIV are not reaching the younger, Internet-savvy crowd. But the study's results also may offer inspiration that the Interne…

A number of initiatives are currently under way to address the Canadian Nursing Sector Study's recommendations for integrated human resource planning, including some of the particular challenges posted by international nurse migration. This article identifies and discusses some of the initiatives currently being undert…

Conduct disorder in a sample of 565 9-yr.-olds, half of whom were 'at risk' at birth was best predicted by a combination of CNS disorder, difficult temperament at age 2, maternal stressors, chronic poverty, and child's separation from a parent. Qualitative study of interactive effects in the data confirms the New York…