留取痰标本査癌细胞时，应用10%甲醛溶液或75%乙醇溶液固定痰液后立即送检。( )

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30940' and id < 2490515 and id<>'2490515' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30940' and id > 2490515 and id<>'2490515' order by id asc limit 5