The most common designs in clinical trial are parallel design and crossoverdesign.
临床试验中最常见的设计是平行组设计和交叉设计。
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METHODS 18 healthy male volunteers were given triprolidine hydrochloride capsules and tablets in a randomized crossoverdesign.
方法18名健康志愿受试者，随机分组，自身交叉口服盐酸曲普利啶胶囊和片剂。
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