Morson, B President's address. The polyp-cancer sequence in the large bowel. [electronic resource] - Proceedings of the Royal Society of Medicine Jun 1974 - 451-7 p. digital Publication Type: Journal Article ISSN: 0035-9157 Subjects--Topical Terms: Adenocarcinoma--pathologyAdenoma--pathologyAdolescentAdultAge FactorsAgedChildChild, PreschoolColectomyColonic Neoplasms--pathologyHumansIntestinal Mucosa--pathologyIntestinal Polyps--geneticsMiddle AgedPrecancerous Conditions--pathologyRectal Neoplasms--pathologyTime Factors