Methods: The cumulative concentration effect curves of 5 hydroxytryptamine (5 HT) on isolated saphenous vein of dogs in the presence or absence of 94 95 10 L was investigated.

• 方法 :建立 5 羟色胺 ( 5 HT)对犬离体大隐静脉收缩作用的量效曲线 ,观察 94 95 10L对该量效曲线的影响。