V. T. SOCCOL, C. BARNABE, E. CASTRO, N. MEMBRIVE, E. LUZ, e M. TIBAYRENC, “GENETIC VARABILITY OF A Tripanosoma cruzi POPULATION STRUCTURE FOUND IN SYLVAN CYCLES AT PARANÁ STATE, BRAZIL: EVIDENCE BY MULTILOCUS ENZYME ELECTROPHORESIS”, Arch. Vet. Sci., vol. 4, nº 1, dez. 1999.