题目内容
羊水细胞培养作染色体核型分析时,抽取羊水的时间为
2021-10-13
A.妊娠16〜20周
B.妊娠18〜22周
C.妊娠10〜16周
D.妊娠20〜22周
E.妊娠22周
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='25573' and id < 2152283 and id<>'2152283' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25573' and id > 2152283 and id<>'2152283' order by id asc limit 5