地红霉素治疗急性细菌性呼吸道感染142例多中心随机对照临床研究
지홍매소치료급성세균성호흡도감염142례다중심수궤대조림상연구
A multi-centre randomized double-blind controlled clinical trial of dirithromycin in 142 patients with acute bacterial respiratory tract infection
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