Abuse of weak opioid analgesics.
D000701:Analgesics, Opioid; D000818:Animals; D011431:Dextropropoxyphene / Q000506:poisoning / Q000627:therapeutic use; D006801:Humans; D009293:Opioid-Related Disorders; D019966:Substance-Related Disorders
D000701:Analgesics, Opioid; D011431:Dextropropoxyphene