Validation of High Performance Liquid Chromatographic and Spectrophotometric Methods for the Determination of the Antiparkinson Agent Pramipexole Dihydrochloride Monohydrate in Pharmaceutical Products . Braz. J. Pharm. Sci. 2015, 51 (4), 879-891. https://doi.org/10.1590/S1984-82502015000400014.