请教：

来源: Bluebell 于 2013-04-10 21:05:25 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (243 bytes)

“Patients whose cholesterol problems aren’t responding to statins. Several studies show that statins plus niacin is more effective than statins alone.”
既然病人对stains无反应，为什么还要联合用药，单独使用niacin不行么？

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