http://emedicine.medscape.com/article/170719-overview http://emedicine.medscape.com/article/170719-overview#a7 Angiodysplasia of the Colon – Medscape e-Medicine - Angiodysplasia of the Colon Angiodysplasia of the Colon http://emedicine.medscape.com/article/170719-overview#a2