ANGELOV, T.; KRASTANOVA, B.; PASHEV, A.; JOTOVA, M. HPLC Determination of Biperiden in Solid Dosage Forms. Proceedings of the Bulgarian Academy of Sciences, Sofia, Bulgaria, v. 76, n. 2, p. 184–191, 2023. DOI: 10.7546/CRABS.2023.02.02. Disponível em: https://proceedings.bas.bg/index.php/cr/article/view/247. Acesso em: 9 feb. 2025.