RT Journal Article SR Electronic T1 Branch Reports JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 86 OP 86 DO 10.1136/jcp.3.1.86 VO 3 IS 1 YR 1950 UL http://jcp.bmj.com/content/3/1/86.abstract AB