当发生骨盆骨折时，最危险的并发症是（）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30837' and id < 2483299 and id<>'2483299' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30837' and id > 2483299 and id<>'2483299' order by id asc limit 5