title: A survey on the factors preventing opium use by poppy growing peasants in Turkey.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009892:Opium; D010207:Papaver / Q000254:growth & development*; D010946:Plants, Medicinal; D019966:Substance-Related Disorders / Q000453:epidemiology; D011795:Surveys and Questionnaires; D014421:Turkey
chemical_list: D009892:Opium