Physical illness and depression in the elderly.
D000368:Aged / Q000523:psychology; D001921:Brain / Q000378:metabolism / Q000503:physiopathology; D003866:Depressive Disorder / Q000175:diagnosis / Q000209:etiology* / Q000628:therapy; D003937:Diagnosis, Differential; D064420:Drug-Related Side Effects and Adverse Reactions; D005260:Female; D006801:Humans; D008297:Male; D009017:Morbidity