title: Letter: Naloxone challenge in propoxyphene dependence.
mesh_terms: D000328:Adult; D011431:Dextropropoxyphene; D006801:Humans; D008297:Male; D009270:Naloxone; D013375:Substance Withdrawal Syndrome / Q000175:diagnosis*; D019966:Substance-Related Disorders / Q000175:diagnosis*
chemical_list: D009270:Naloxone; D011431:Dextropropoxyphene