A novel validated UPLC method for quantitation of lopinavir and ritonavir in bulk drug and pharmaceutical formulation with its impurities . Brazilian Journal of Pharmaceutical Sciences, [S. l.], v. 50, n. 2, p. 301–308, 2014. DOI: 10.1590/S1984-82502014000200009. Disponível em: https://www.revistas.usp.br/bjps/article/view/86937.. Acesso em: 20 may. 2024.