RT Journal Article SR Electronic T1 Medical genetics: advances in brief JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 757 OP 757 DO 10.1136/jmg.29.10.757-a VO 29 IS 10 A1 Thakker, N S YR 1992 UL http://jmg.bmj.com/content/29/10/757.2.abstract AB