Prevalence and consequences of depression in the elderly.
D000368:Aged; D000369:Aged, 80 and over; D000375:Aging / Q000523:psychology*; D003866:Depressive Disorder / Q000175:diagnosis / Q000453:epidemiology*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D014481:United States