RT Journal Article SR Electronic T1 PATHOLOGY OF LEUKEMIA JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 787 OP 788 DO 10.1136/jcp.21.6.787-c VO 21 IS 6 A1 Blackburn, E. K. YR 1968 UL http://jcp.bmj.com/content/21/6/787.3.abstract AB