. J. Bogantes-Molina, G. L. Madrigal-Redondo, L. Berrocal-Barrantes, M. Chavarría-Rojas, D. A. Acuña-Amador, and R. Vargas-Zúñiga, “Analytical method validation for metformin quantification in dissolution medium”, GSC Biol. Pharm. Sci., vol. 7, no. 2, pp. 043–051, May 2019.