RT Journal Article SR Electronic T1 H pylori infection associated with unspecified abdominal pain in referred children but not with (UAP) in primary care or with recurrent abdominal pain JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 153 OP 154 DO 10.1136/ebm1113 VO 15 IS 5 A1 Sonny K F Chong YR 2010 UL http://ebm.bmj.com/content/15/5/153.abstract AB