The determination of codeine phosphate in combination with acetylsalicylic acid, phenacetin, and caffeine by nonaqueous titration.
D001241:Aspirin; D002110:Caffeine; D003061:Codeine / Q000032:analysis*; D010615:Phenacetin
D002110:Caffeine; D010615:Phenacetin; D001241:Aspirin; D003061:Codeine
CODEINE/determination