Brown, R C A new projection for demonstrating the sigmoid colon. [electronic resource] - Journal of the Canadian Association of Radiologists Mar 1970 - 27-30 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0008-2902 Subjects--Topical Terms: Colon, Sigmoid--diagnostic imagingHumansMethodsProspective StudiesRadiographySigmoid Neoplasms--diagnostic imagingTechnology, Radiologic