RT Journal Article SR Electronic T1 The Principles of Clinical Cytogenetics. JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 255 OP 256 DO 10.1136/jcp.54.3.255-b VO 54 IS 3 A1 B Holland YR 2001 UL http://jcp.bmj.com/content/54/3/255.3.abstract AB