Savoirs
Frequency of vacA, cagAand babA2virulence markers in Helicobacter pyloristrains isolated from Mexican patients with chronic gastritis
Paniagua Gloria, Monroy Eric, Rodríguez Raymundo, Arroniz Salvador, Cortés José, Camacho Ausencio, Vaca, Cristina Rodriguez, Negrete Erasmo, Vaca Sergio