RT Journal Article SR Electronic T1 Paediatric Haematology JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 584 OP 584 DO 10.1136/jcp.46.6.584-a VO 46 IS 6 A1 Reid, MM YR 1993 UL http://jcp.bmj.com/content/46/6/584.1.abstract AB