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机构:
Cardiovasc Inst, Dept Evidence Based Med, Beijing, Peoples R China
Chinese Acad Med Sci, Fu Wai Hosp, Beijing 100037, Peoples R China
Peking Union Med Coll, Beijing 100021, Peoples R China
Natl Cardiovasc Ctr, Beijing, Peoples R China Tulane Univ, Sch Publ Hlth & Trop Med, Dept Epidemiol, New Orleans, LA 70112 USA