原文见:Hadas D.Fischer，David N.Juurlink，Muhammad M.Mamdani，et al.Hemorrhage during warfarin therapy associated with cotrimoxazole and other urinary tract anti－infective agents a population－based study arch intern.Med，2010，170(7):617－621.

Published at:http://archinte.ama－assn.org/cgi/content/abstract/170/7/617?etoc