title: Study of depressive illness among patients in a group practice.
mesh_terms: D000328:Adult; D000368:Aged; D003153:Community Health Services; D003863:Depression / Q000453:epidemiology*; D005194:Family Practice; D005260:Female; D006123:Group Practice; D006801:Humans; D008297:Male; D008875:Middle Aged; D012606:Scotland