title: A study of authorized opium addiction in Shiraz city and Fars Province, Iran.
mesh_terms: D001291:Attitude of Health Personnel; D011307:Drug Prescriptions; D004335:Drug and Narcotic Control; D005260:Female; D006801:Humans; D007492:Iran; D008297:Male; D008875:Middle Aged; D009892:Opium / Q000627:therapeutic use; D019966:Substance-Related Disorders / Q000453:epidemiology* / Q000628:therapy
chemical_list: D009892:Opium