[Alcoholism and drug dependence in a system of social security. An epidemiologic study].
D000293:Adolescent; D000328:Adult; D000368:Aged; D000437:Alcoholism / Q000453:epidemiology*; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008800:Mexico; D008875:Middle Aged; D019966:Substance-Related Disorders / Q000453:epidemiology*
Alcoholismo y farmacodependencia en un sistema de seguridad social. Un estudio epidemilógico