Genetic Polymorphism Among Six Trypanosoma cruzi Stocks Isolated from Chronic Chagasic Patients Ana Maria de Castro, Thais Cristine de Carvalho Araújo, Rosália Santos Amorim Jesuíno, Célia Maria de Almeida Soares, Alejandro Luquetti Ostermayer PAGE: 655-658

Characterization of Trypanosoma cruzi Strains Isolated from Chronic Chagasic Patients, Triatomines and Opossums Naturally Infected from the State of Rio Grande do Sul, Brazil Cloé Duarte Fernandes, Silvane Maria Fonseca Murta, Isabela Penna Cerávolo, Luciano Percival Krug, Pedro G Vidigal, Mario Steindel, Nanci Nardi, Alvaro José Romanha PAGE: 343-351

Contrasting Genomic Variability between Clones from Field Isolates and Laboratory Populations of Schistosoma mansoni Patricia Machado Pintom , Cristiana FA Brito, Liana K Jannoti Passos, Miriam Tendler, Andrew JG Simpson PAGE: 409-414