Cloning and comparison of ten gene sequences of a Chilean H. pylori strain with other H. pylori strains revealed higher variability for VacA and CagA virulence factors

by ILSE MÜLLER, ANGELICA MEDINA-SELBY, JOSE LUIS PALACIOS, PATRICIO MARTINEZ, PATRICIO OPAZO, ELSA BRUCE, MARTA MANCILLA, PABLO VALENZUELA, ARTURO YUDELEVICH, ALEJANDRO VENEGAS
Published 2002-01-01