Prevalence of Helicobacter pylori seropositivity among patients undergoing bariatric surgery: a preliminary study.
Erim T, Cruz-Correa MR, Szomstein S, Velis E, Rosenthal R. Prevalence of Helicobacter pylori seropositivity among patients undergoing bariatric surgery: a preliminary study. World J Surg. 2008 Sep; 32(9):2021-5.