RT Journal Article SR Electronic T1 CORRECTION JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 784 OP 784 DO 10.1136/jcp.2003.013292corr1 VO 57 IS 7 YR 2004 UL http://jcp.bmj.com/content/57/7/784.1.abstract AB