The epidemiology of depression in an elderly community population.
D000367:Age Factors; D000368:Aged; D003863:Depression / Q000453:epidemiology*; D003866:Depressive Disorder / Q000453:epidemiology*; D006801:Humans; D008875:Middle Aged; D019964:Mood Disorders / Q000453:epidemiology*; D014481:United States