@article{article103641d5, title = {Leishmania amazonensis: involvement of cysteine proteinases in the killing of isolated amastigotes by l- leucine methyl ester}, author = {Alfieri, S C and Shaw, E and Zilberfarb, V and Rabinovitch, M}, year = {1989}, doi = {10.1016/0014-4894(89)90127-6}, journal = {Experimental Parasitology} }