RT Journal Article SR Electronic T1 Cancer Medicine JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 1141 OP 1142 DO 10.1136/jcp.46.12.1141-d VO 46 IS 12 A1 M Slevin YR 1993 UL http://jcp.bmj.com/content/46/12/1141.4.abstract AB