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 81 OP 81 DO 10.1136/jmg.35.1.81-a VO 35 IS 1 A1 Gray, Jonathon YR 1998 UL http://jmg.bmj.com/content/35/1/81.2.abstract AB