Mf. Lima et al., TRYPANOSOMA-CRUZI GP83 TRANS-SIALIDASE MEDIATES TRYPANOSOME ENTRY ANDWHEN SECRETED UP-REGULATES TRYPANOSOME INFECTION OF HUMAN MACROPHAGESVIA TYROSINE PHOSPHORYLATION, Journal of allergy and clinical immunology, 99(1), 1997, pp. 911-911