Mesley, R J Infrared identification of pharmaceutically important sulphonamides with particular reference to the occurrence of polymorphism. [electronic resource] - The Journal of pharmacy and pharmacology May 1967 - 295-304 p. digital Publication Type: Journal Article ISSN: 0022-3573 Standard No.: 10.1111/j.2042-7158.1967.tb08090.x doi Subjects--Topical Terms: Infrared RaysSpectrophotometrySulfadiazine--analysisSulfanilamides--analysisSulfaphenazole--analysisSulfathiazoles--analysisSulfonamides--analysis