RT Journal Article SR Electronic T1 Medical Genetics: Principles and Practice JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 669 OP 669 DO 10.1136/jmg.26.10.669 VO 26 IS 10 A1 Garrett, Christine YR 1989 UL http://jmg.bmj.com/content/26/10/669.1.abstract AB