RT Journal Article SR Electronic T1 Role of capsule endoscopy in blue rubber bleb nevus syndrome JF Canadian Journal of Surgery JO CAN J SURG FD Canadian Medical Association SP E119 OP E120 VO 51 IS 6 A1 Afsar Barlas A1 Erol Avsar A1 Aysun Bozbas A1 Cumhur Yegen YR 2008 UL http://canjsurg.ca/content/51/6/E119.abstract