title: Prevalence of depression in the aged: formal calculations versus clinical facts.
authors: S L
authors: SL
authors: Slater
authors: I R
authors: IR
authors: Katz
mesh_terms: D000368:Aged; D002391:Catchment Area, Health; D003863:Depression / Q000453:epidemiology*; D004812:Epidemiologic Methods; D006801:Humans; D015995:Prevalence; D014481:United States / Q000453:epidemiology