TY - GEN AU - Brand,E J AU - Sullivan,B H AU - Sivak,M V AU - Rankin,G B TI - Colonoscopy in the diagnosis of unexplained rectal bleeding SN - 0003-4932 PY - 1980///1024 KW - Adenoma KW - diagnosis KW - Anemia, Hypochromic KW - Arteriovenous Malformations KW - Cecal Neoplasms KW - Colitis KW - Colon KW - blood supply KW - Colonic Neoplasms KW - Diagnosis, Differential KW - Diverticulum, Colon KW - Evaluation Studies as Topic KW - False Negative Reactions KW - Humans KW - Intestinal Polyps KW - Melena KW - Occult Blood KW - Sigmoidoscopy N1 - Publication Type: Journal Article UR - https://doi.org/10.1097/00000658-198007000-00019 ER -