RAAD, M A Prevalence of rectal and lower sigmoidal adenomatous polyps in the normal adult population. [electronic resource] - The Medical annals of the District of Columbia Aug 1955 - 391-3 p. digital Publication Type: Journal Article ISSN: 0025-6986 Subjects--Topical Terms: Adenomatous PolypsColonic NeoplasmsPolypsPrevalenceRectal NeoplasmsRectum