International Journal of Preventive Medicine (Int J Prev Med)2008-780231120120816Intermittent Herald Bleeding: An Alarm for Prevention of the Exsanguination of Aortoenteric Fistula before it Arrives873873ENDepartment of Gastroenterology and Hepatology, Isfahan University of Medical Sciences, Isfahan, Kurdistan Liver and Digestive Research Center, Kurdistan University of Medical Sciences, Sanandaj, IranDepartment of Gastroenterology and Hepatology, Isfahan University of Medical Sciences, Isfahan, Iran20120816-http://ijpm.mui.ac.ir/index.php/ijpm/article/view/873http://ijpm.mui.ac.ir/index.php/ijpm/article/download/873/714