Association of peptic ulcer with increased expression of Lewis antigens, but not vacuolating cytotoxin activity or babA2 gene status, in Helicobacter pylori strains from China
Genetic Analysis and Clinical Evaluation of Vacuolating Cytotoxin Gene A and Cytotoxin-Associated Gene A in Taiwanese Helicobacter pylori Isolates from Peptic Ulcer Patients
Mosaicism in vacA, the vacuolating cytotoxin gene of Helicobacter pylori, and genetic linkage of vacA subtypes with cagA the cytotoxin-associated gene