DIFFERENTIAL PULSE POLAROGRAPHIC DETERMINATION OF NIFEDIPINE IN PHARMACEUTICAL FORMULATIONS. International Journal of Pharmaceutical Sciences and Drug Research, [S. l.], v. 3, n. 3, p. 253–255, 2011. DOI: 10.25004/IJPSDR.2011.030318. Disponível em: https://ijpsdronline.com/index.php/journal/article/view/384.. Acesso em: 17 oct. 2025.