Perthes病最多发于A.4~8岁男孩B.8~12岁女孩C.2~4岁儿童D.4~8岁女孩E.8~12岁男孩

作者: rantiku 人气: - 评论: 0
问题 Perthes病最多发于
选项 A.4~8岁男孩 B.8~12岁女孩 C.2~4岁儿童 D.4~8岁女孩 E.8~12岁男孩
答案 A
解析 :Perthes病最好发于4~8岁儿童,男女发病率为4:1。

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