title: Five patterns of darvon abuse.
mesh_terms: D000284:Administration, Oral; D000293:Adolescent; D000328:Adult; D011431:Dextropropoxyphene / Q000008:administration & dosage / Q000627:therapeutic use; D005260:Female; D006801:Humans; D007275:Injections, Intravenous; D007279:Injections, Subcutaneous; D008297:Male; D008875:Middle Aged; D009021:Morphine Dependence; D009042:Motivation; D010865:Pilot Projects; D012649:Self Concept; D012651:Self Medication; D012919:Social Behavior; D019966:Substance-Related Disorders
chemical_list: D011431:Dextropropoxyphene