title: Variations among commercially available propoxyphene hydrochloride products.
mesh_terms: D002214:Capsules / Q000032:analysis; D011431:Dextropropoxyphene / Q000032:analysis / Q000592:standards*; D004340:Drug Contamination; D004355:Drug Stability; D010602:Pharmacopoeias as Topic; D012459:Salicylates / Q000032:analysis; D014481:United States
chemical_list: D002214:Capsules; D012459:Salicylates; D011431:Dextropropoxyphene