RT Journal Article SR Electronic T1 Withdrawn JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 95 OP 95 DO 10.1136/jcp.2006.045682 VO 65 IS 1 YR 2012 UL http://jcp.bmj.com/content/65/1/95.2.abstract AB