RT Journal Article SR Electronic T1 Antenatal diagnosis. JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 1008 OP 1009 DO 10.1136/jcp.25.11.1008-c VO 25 IS 11 A1 Polani, P E YR 1972 UL http://jcp.bmj.com/content/25/11/1008.3.abstract AB