METHODS: we performed a multicenter, prospective cohort study of 102 patients co-infected with HIV and HBV who were treated with TDF.
方法：我们开展了一项多中心前瞻性队列研究临床试验，102名HIV和HBV合并感染受试者接受了TDF药物治疗。
The Yale researchers conducted a prospective trial to study the feasibility and cost-effectiveness of screening performed by emergency physicians (EPs) on at-risk patients.
耶鲁大学研究人员作了一项前瞻性试验来研究开展急诊内科医师对高危病人进行筛查的可行性和成本-效果如何。
Methods a random prospective study was performed on 122 patients after thoractomy.
方法122例患者随机分为两组，每组61例。
Methods a random prospective study was performed on 122 patients after thoractomy.
方法122例患者随机分为两组，每组61例。
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