Ferreira RM, Figueiredo C, Bonet C, Pardo ML, Liso JM, Alonso P, Sala N, Capella G, Sanz-Anquela JM, González CA

Helicobacter pylori vacA intermediate region genotyping and progression of gastric preneoplastic lesions. The American journal of gastroenterology 107: 145-6, 2012.  [Letter] 

 doi: 10.1038/ajg.2011.389 PMID: 22218041.