[Application of infrared absorption spectroscopy to examination of drugs and their preparations. XVII. Studies on polymorphism of J.P. pharmaceuticals. (3)].
D001463:Barbiturates; D003460:Crystallization; D007259:Infrared Rays; D010634:Phenobarbital; D013057:Spectrum Analysis
D001463:Barbiturates; D010634:Phenobarbital