title: Megacolon, a nonspecific sign: clinical classification and roentgenologic differentiation.
mesh_terms: D002965:Classification; D003093:Colitis, Ulcerative / Q000150:complications; D005730:Ganglionic Blockers / Q000009:adverse effects; D006801:Humans; D007415:Intestinal Obstruction / Q000175:diagnosis; D008531:Megacolon / Q000175:diagnosis*; D010276:Parasympatholytics / Q000009:adverse effects; D011859:Radiography
chemical_list: D005730:Ganglionic Blockers; D010276:Parasympatholytics