RT Journal Article SR Electronic T1 Immunology of Gastrointestinal and Liver Disease JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 505 OP 505 DO 10.1136/jcp.31.5.505-c VO 31 IS 5 A1 Anne Ferguson YR 1978 UL http://jcp.bmj.com/content/31/5/505.3.abstract AB