R. E. de Abreu Engel, A. Thomas Barden, S. Chagas Campanharo, N. Olegário, N. M. Volpato, and E. E. Scherman Schapoval, “Evaluation of linagliptin dissolution from tablets using HPLC and UV methods”, Drug Anal. Res., vol. 3, no. 2, pp. 46–50, Dec. 2019.