title: Relation of functional to organic diseases of the anus, rectum and sigmoid colon.
mesh_terms: D001003:Anal Canal; D001004:Anus Diseases; D003106:Colon; D012809:Colon, Sigmoid; D003108:Colonic Diseases; D004194:Disease; D012002:Rectal Diseases; D012007:Rectum
keywords: ANUS/diseases; COLON/diseases; RECTUM/diseases