title: Determination of propoxyphene and aspirin in combinations.
mesh_terms: D001241:Aspirin / Q000032:analysis*; D002852:Chromatography, Ion Exchange; D004338:Drug Combinations; D008722:Methods; D011433:Propranolol / Q000032:analysis*; D013056:Spectrophotometry, Ultraviolet; D013607:Tablets
chemical_list: D004338:Drug Combinations; D013607:Tablets; D011433:Propranolol; D001241:Aspirin