Dose-finding study of amlodipine besilate/bisoprolol fumarate fixed-dose combination in the treatment of mild to moderate essential hypertension: A multicenter, randomized, double-blind, phase Ⅱ clinical trial
1.People’s Hospital of Peking University, Beijing 100044, China
2.Shihuida Pharmaceutical Group, Jilin 134300, Jilin Province, China
3.Yuncheng Central Hospital of Shanxi Province, Yuncheng 044099, Shanxi Province, China
4.The First Hospital of Hebei Medical University, Shijiazhuang 050000, Hebei Province, China
5.The People’s Hospital of Liaoning Provincial, Shenyang 110016, Liaoning Province, China
6.Heze Municipal Hospital, Heze 274006, Shandong Province, China
7.Shanxi Cardiovascular Hospital, Taiyuan 030024, Shanxi Province, China
8.Beijing Chaoyang Hospital, Capital Medical University, Beijing 100020, China
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