Tadalafil and Sildenafil illicit association: Stability- indicating HPLC method, photodegradation kinetic and toxicological studies. Brazilian Journal of Pharmaceutical Sciences, [S. l.], v. 58, 2022. DOI: 10.1590/s2175-97902022e19491 . Disponível em: https://periodicos.usp.br/bjps/article/view/206016.. Acesso em: 2 jun. 2024.