Bloodletting therapy for treating patients with chronic urticaria: A systematic review and meta-analysis protocol.
Yao Qin, Zhang Xinyue, Mu Yunnong, +3 more·Medicine
BACKGROUND: Chronic urticaria is a common disease affecting patients' quality of life, and leading to substantial burden to both patients and society. Many trials have shown that bloodletting therapy is effective in treating chronic urticaria. There are currently no systematic reviews of bloodletting therapy for chroni…