方法：38例男性老年肾虚者采用单盲法，随机分为五子衍宗丸治疗组和安慰剂对照组，服药3个月。
Methods: Single blinded study was conducted in 38 aged ma le with KDS, who were randomly divided into 2 groups treated with WZYZP and placebo respectively for 3 months.
方法：38例男性老年肾虚者采用单盲法，随机分为五子衍宗丸治疗组和安慰剂对照组，服药3个月。
Methods: Single blinded study was conducted in 38 aged ma le with KDS, who were randomly divided into 2 groups treated with WZYZP and placebo respectively for 3 months.
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