RT Journal Article SR Electronic T1 Human Genetics and Medicine JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 359 OP 359 DO 10.1136/jmg.25.5.359 VO 25 IS 5 A1 Peter S Harper YR 1988 UL http://jmg.bmj.com/content/25/5/359.1.abstract AB