Embolization for ruptured superior mesenteric artery aneurysms. - Ishii,A.; Namimoto,T.; Morishita,S.; Saitoh,R.; Oguni,T.; Makita,O.; Takahashi,M.; Tanaka,M.; Okamoto,M.; Kaneko,Y.; Okamura,K. (Br J Radiol, 1996)