Genotyping of human parvovirus B19 in clinical samples from Brazil and Paraguay using heteroduplex mobility assay, single-stranded conformation polymorphism and nucleotide sequencing Marcos César Lima de Mendonça; Ana Maria de Amorim Ferreira; Marta Gonçalves Matos dos Santos; Elva Cristina Oviedo; Maria Sônia Dal Bello; Marilda Mendonça Siqueira; Juan Manuel Piñeiro Maceira; Maria Genoveva von Hubinger; José Nelson dos Santos Silva Couceiro PAGE: 502-504 | DOI: 10.1590/S0074-02762011000400019

Selection, Recombination and History in a Parasitic Flatworm (Echinococcus) Inferred from Nucleotide Sequences KL Haag , AM Araújo, B Gottstein, A Zaha PAGE: 695-702