男,31岁,踝关节疼痛,结合图像,最可能的诊断是() A.骨囊肿 B.骨脓肿 C.未 发布时间:2017-09-04 13:09 │ 来源:www.tikuol.com 题型:单项选择题 问题: 男,31岁,踝关节疼痛,结合图像,最可能的诊断是()A.骨囊肿B.骨脓肿C.未见异常D.血管瘤E.骨內脂肪瘤
题型:单项选择题 A scientist working for a pharmaceutical company tries many models using the same data before reporting the one that shows that the given drug has no serious side effects. The scientist is guilty of:()A. look -ahead bias.B. time -period bias.C. data mining. 查看答案