TY - JOUR T1 - Correction JF - Journal of Medical Genetics JO - J Med Genet SP - 88 LP - 88 DO - 10.1136/jmg.30.1.88 VL - 30 IS - 1 A2 - , Y1 - 1993/01/01 UR - http://jmg.bmj.com/content/30/1/88.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -