RT Journal Article SR Electronic T1 Introduction to Medical Genetics JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 92 OP 92 DO 10.1136/jmg.2.1.92 VO 2 IS 1 A1 G. R. Fraser YR 1965 UL http://jmg.bmj.com/content/2/1/92.1.abstract AB