title: Classic articles in colonic and rectal surgery. George Blumer, M.D.: The rectal shelf.
mesh_terms: D000008:Abdominal Neoplasms / Q000266:history; D003107:Colorectal Surgery / Q000266:history*; D004739:England; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D014481:United States