方法68例下呼吸道感染者随机分为序贯治疗组和静脉给药对照组进行治疗。
Methods 68 cases with lower respiratory tract infection were randomly divided into sequential therapy group and control group with gatifloxacin intravenously.
并予抑郁症组以雌-孕激素序贯治疗。
Perimenopausal syndrome group were treated with estrogen-progestin.
方法：采用序贯试验设计方法分治疗组与对照组。
Methods With the design of sequential trial, the patients were divided into a treatment group and a control group.
方法：采用序贯试验设计方法分治疗组与对照组。
Methods With the design of sequential trial, the patients were divided into a treatment group and a control group.
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