RT Journal Article SR Electronic T1 CCN abstracts JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 466 OP 478 DO 10.1136/jcp.2004.025494 VO 58 IS 5 YR 2005 UL http://jcp.bmj.com/content/58/5/466.abstract AB