Helicobacter pylori cagA and vacA genotypes in Cuban and Venezuelan populations Diana Ortiz-Princz; Verónica Guariglia-Oropeza; Maira Ávila; María Correnti; Marianella Perrone; Beatriz Gutierrez; Javier Torres; Francis Megraud; María Eugenia Cavazza PAGE: 331-335 | DOI: S0074-02762010000300016

Helicobacter pylori transiently in the mouth may participate in the transmission of infection Denise G Silva; Eduardo MB Tinoco; Gifone A Rocha; Andreia Maria Camargos Rocha; Juliana B Guerra; Ivan EB Saraiva; Dulciene MM Queiroz PAGE: 657-660 | DOI: S0074-02762010000500009

Prevalence of cagA and vacA Genes in Isolates from Patients with Helicobacter pylori-associated Gastroduodenal Diseases in Recife, Pernambuco, Brazil Carlos AA Brito, Lenôra MB Silva, Norma Jucá, Nilma C Leal, Wayner de Souza, Dulciene Queiroz, Francisco Cordeiro, Norma Lucena Silva PAGE: 817-821