Citations for: Görög, S.; Balogh, G.; Gazdag, M. Estimation of Impurity Profiles of Drugs and Related Materials. Part VIII: Combined Application of High- Performance Liquid Chromatography and NMR Spectroscopy in the Impurity Profiling of Drugs. J. Pharm. Biomed. Anal. 1991, 9 (10–12), 829–833.