A research team led by Dr. Sun Xin (å™é‘«) and Prof. Tan Jing (è°å©§) from the Clinical Epidemiology and Evidence-based Medicine Center, West China Hospital, Sichuan University, recently published an ...
Pew Research Center is committed to meeting the highest methodological standards — and to exploring the newest frontiers of research. Learn more about the methods the Center uses to conduct objective, ...
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