COATING EFFICIENCY IN PREVENTING PHOTOLYTIC DEGRADATION OF TWO RANDOMLY SELECTED BRANDS OF METOPROLOL TARTRATE. International Journal of Pharmaceutical Sciences and Drug Research, [S. l.], v. 8, n. 2, p. 83–86, 2016. DOI: 10.25004/IJPSDR.2016.080203. Disponível em: https://ijpsdronline.com/index.php/journal/article/view/492.. Acesso em: 21 sep. 2025.