Thylan, S Shome et al: The differential diagnosis for painless rectal bleeding. [electronic resource] - The American journal of gastroenterology Jun 1996 - 1280-1 p. digital Publication Type: Comment; Letter ISSN: 0002-9270 Subjects--Topical Terms: AdultAgedAppendixCecal Diseases--diagnosisDiagnosis, DifferentialEndometriosis--diagnosisFemaleGastrointestinal Hemorrhage--diagnosisHumansMiddle AgedPostmenopauseRectum