鉴别血友病和血管性血友病最重要的实验检查是（  ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='32174' and id < 2565237 and id<>'2565237' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32174' and id > 2565237 and id<>'2565237' order by id asc limit 5