Gastrointestinal Endoscopy
Volume 27, Issue 4 , Pages 221-223, November 1981

Role of colonoscopy in patients with unexplained melena: analysis of 53 patients

Section of Gastroenterology, Department of Medicine, Medical College of Georgia, Augusta, Georgia, and The Cleveland Clinic Foundation, Cleveland, Ohio

Colonoscopy revealed significant pathologic conditions in 16 (30%) of 53 patients who presented with melena and had negative or nondiagnostic upper and lower gastrointestinal x-ray studies and negative upper endoscopy.

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PII: S0016-5107(81)73226-7

doi:10.1016/S0016-5107(81)73226-7

Gastrointestinal Endoscopy
Volume 27, Issue 4 , Pages 221-223, November 1981

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