Bogantes-Molina, J., G. Madrigal-Redondo, L. Berrocal-Barrantes, M. Chavarría-Rojas, D. A. Acuña-Amador, and R. Vargas-Zúñiga,. “Metformin Hydrochloride Delayed Release Tablets – a Comparative Dissolution Profiles Study”. GSC Biological and Pharmaceutical Sciences, vol. 8, no. 2, Aug. 2019, pp. 113-8, doi:10.30574/gscbps.2019.8.2.0119.