TY - JOUR T1 - Reply JF - Journal of Medical Genetics JO - J Med Genet SP - 928 LP - 928 DO - 10.1136/jmg.29.12.928-a VL - 29 IS - 12 AU - D G R Evans Y1 - 1992/12/01 UR - http://jmg.bmj.com/content/29/12/928.2.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -