A review of analytical methods for the determination of four new phosphodiesterase type 5 inhibitors in biological samples and pharmaceutical preparations . Brazilian Journal of Pharmaceutical Sciences, [S. l.], v. 49, n. 1, p. 1–11, 2013. DOI: 10.1590/S1984-82502013000100002. Disponível em: https://revistas.usp.br/bjps/article/view/58599.. Acesso em: 11 may. 2024.