RT Journal Article SR Electronic T1 14C-urea breath test for C pylori JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1656 OP 1657 DO 10.1136/gut.30.11.1656 VO 30 IS 11 A1 Weil, J A1 Bell, J D A1 Harrison, G YR 1989 UL http://gut.bmj.com/content/30/11/1656.abstract AB