PT - JOURNAL ARTICLE AU - L N AL-Jader AU - H C Ryley AU - S Maguire AU - G Owen AU - S Elborn AU - M C Goodchild TI - Letters to the Editor AID - 10.1136/jmg.30.8.709-a DP - 1993 Aug 01 TA - Journal of Medical Genetics PG - 709--709 VI - 30 IP - 8 4099 - http://jmg.bmj.com/content/30/8/709.2.short 4100 - http://jmg.bmj.com/content/30/8/709.2.full SO - J Med Genet1993 Aug 01; 30