title: Colon duplex, a correctable cause of constipation.
mesh_terms: D000015:Abnormalities, Multiple / Q000000981:diagnostic imaging; D002648:Child; D003106:Colon / Q000002:abnormalities*; D003248:Constipation / Q000209:etiology*; D006801:Humans; D008297:Male; D009139:Musculoskeletal Abnormalities; D011859:Radiography; D014564:Urogenital Abnormalities