title: A comparative study of male and female opium addicts among the Hmong (Meo).
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D007812:Laos; D008297:Male; D008875:Middle Aged; D009892:Opium; D012737:Sex Factors; D019966:Substance-Related Disorders / Q000453:epidemiology*
chemical_list: D009892:Opium