RT Journal Article SR Electronic T1 Campylobacter colonisation, duodenal ulceration, and changes in gastric mucosa. JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 1027 DO 10.1136/jcp.41.9.1027-a VO 41 IS 9 A1 E N Mendes A1 D M Queiroz A1 G A Rocha A1 A J Barbosa YR 1988 UL http://jcp.bmj.com/content/41/9/1027.1.abstract AB