Colonoscopic diagnosis of vascular anomalies in children.
D000293:Adolescent; D001808:Blood Vessels / Q000002:abnormalities*; D003106:Colon / Q000098:blood supply*; D004724:Endoscopy; D006471:Gastrointestinal Hemorrhage / Q000209:etiology; D006801:Humans; D007223:Infant; D008297:Male