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他们被随机分配隔日服用20mg他达拉非或安慰剂共6周。
They were randomly assigned to receive either 20 mg of tadalafil or placebo every other day for 6 weeks.
youdao
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他们被随机分配隔日服用20mg他达拉非或安慰剂共6周。
They were randomly assigned to receive either 20 mg of tadalafil or placebo every other day for 6 weeks.
youdao