GHAFFARI MOGHADDAM, M.; AHMAD, F.B.H. Various Botanical Sources of Betulinic Acid: A Review. Asian Journal of Chemistry, [S. l.], v. 24, n. 11, p. 4843–4846, 2012. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/9777. Acesso em: 22 jul. 2024.