Souza, M.A., Afonso-Cardoso, S.R., Machado, A.P., Chaves-Borges, F.A., Lanza, H. and de Oliveira Pena, J.D. 2006. The adjuvant effect of saponin (Quillaja bark) in the vaccine against murine cutaneous Leishmaniasis. Bioscience Journal. 20, 1 (Apr. 2006).