title: [Multifactorial etiology and evolution of chronic depression].
mesh_terms: D000437:Alcoholism / Q000150:complications*; D002908:Chronic Disease; D003863:Depression / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged
vernacular_title: Etiologia multifactorial y evolucion de una depresion cronificada.