RT Journal Article SR Electronic T1 Recombinant DNA and Medical Genetics JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 158 OP 158 DO 10.1136/jmg.22.2.158 VO 22 IS 2 A1 Harper, Peter S YR 1985 UL http://jmg.bmj.com/content/22/2/158.1.abstract AB