题目内容
I期临床试验阶段,试验样本数为
2021-10-21
A.小于10例
B.20~30例
C.200~300例
D.1000~3000例
E.大于2000例
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='26196' and id < 2194191 and id<>'2194191' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26196' and id > 2194191 and id<>'2194191' order by id asc limit 5