RT Journal Article SR Electronic T1 Nature and significance of the antigens associated with human gastrointestinal tumours JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 115 OP 118 DO 10.1136/jcp.s3-7.1.115 VO s3-7 IS 1 A1 Burtin, P. YR 1974 UL http://jcp.bmj.com/content/s3-7/1/115.abstract AB