RT Journal Article SR Electronic T1 Practical Paediatric Haematology JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 600 OP 600 DO 10.1136/jcp.41.5.600-a VO 41 IS 5 A1 Eden, OB YR 1988 UL http://jcp.bmj.com/content/41/5/600.1.abstract AB