TY - JOUR T1 - Human Genetics (Outline Studies in Biology) JF - Journal of Medical Genetics JO - J Med Genet SP - 78 LP - 79 DO - 10.1136/jmg.17.1.78 VL - 17 IS - 1 AU - A W Johnston Y1 - 1980/02/01 UR - http://jmg.bmj.com/content/17/1/78.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -