青银注射液治疗上呼吸道感染风热证的多中心随机双盲对照试验
청은주사액치료상호흡도감염풍열증적다중심수궤쌍맹대조시험
Multicentral, randomized, double-blind, controlled clinical trial of Qingyin injection for treating acute infection in upper respiratory tract (wind heat syndrome)
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