Article ISI SCOPUS
WORLD JOURNAL OF GASTROENTEROLOGY  (2005)

Helicobacter pylori vacA s1a and s1b alleles from clinical isolates from different regions of Chile show a distinct geographic distribution

Diaz, MI; Valdivia, A; Martinez, P; Palacios JL; Harris, P; Novales, J.; Garrido, E.; Valderrama, D.; Shilling, C.; Kirberg, A.; Hebel, E.; Fierro, J; Bravo, R.; Siegel, F.; Leon, G; et. al.