9Geyer M, Stamenic I, Buhler H, et al. Epidemiology of gastrointestinal bleeding in the elderly. Praxis, 2006,95 : 757- 765.
10Kurosawa S, Kuwata H, Kushibiki K, et al. The value of RI scintigraphy and angiography in small intestinal bleeding--report of eight cases. Gastroenterol Jpn, 1991,26 Suppl 3:129-132.
