RT Journal Article SR Electronic T1 Haematology JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 4 OP 4 DO 10.1136/jcp.53.1.4 VO 53 IS 1 A1 Reid, M M YR 2000 UL http://jcp.bmj.com/content/53/1/4.1.abstract AB