title: Opium smoking in the Frontier Province of Pakistan.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D004522:Educational Status; D005260:Female; D006801:Humans; D007182:Income; D008297:Male; D008393:Marriage; D008875:Middle Aged; D009790:Occupations; D009293:Opioid-Related Disorders / Q000453:epidemiology* / Q000523:psychology; D009892:Opium; D010154:Pakistan; D012737:Sex Factors
chemical_list: D009892:Opium