Some aspects of constipation.
D000367:Age Factors; D000368:Aged; D002769:Cholelithiasis / Q000175:diagnosis; D003109:Colonic Diseases, Functional / Q000175:diagnosis; D003248:Constipation / Q000150:complications / Q000175:diagnosis / Q000209:etiology / Q000628:therapy; D003863:Depression / Q000150:complications; D003937:Diagnosis, Differential; D004238:Diverticulitis / Q000150:complications / Q000453:epidemiology; D006801:Humans