静脉注射肝素所引起的体内抗凝作用大于其体外抗凝作用.这主要是因为肝素

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29014' and id < 2360974 and id<>'2360974' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29014' and id > 2360974 and id<>'2360974' order by id asc limit 5