RT Journal Article SR Electronic T1 Helicobacter pylori: Why it still matters in 2005 JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP S1 OP S7 VO 72 IS 5 suppl 2 A1 Fennerty, M. Brian YR 2005 UL http://www.ccjm.org/content/72/5_suppl_2/S1.abstract AB