黔图1切除右房壁后从左向右观察所见房间隔缺损形态图2切除左房顶后从上向下观察,房间隔缺损呈椭圆形,前方为二尖瓣口图3切除肺劝......

目的探讨亚甲基四氢叶酸还原酶(MTHFR)基因A1298C多态性与山西人群非综合征性唇腭裂(nonsyndromic cleft lip with or without cle......

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