题目内容
开展医院感染的流行病学调查常用方法不包括
2021-02-03
A.现场调查
B.RCT
C.病例对照研究
D.队列研究
E.干预研究
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku_ where sourceid='10736' and id < 856748 and id<>'856748' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='10736' and id > 856748 and id<>'856748' order by id asc limit 5