PT - JOURNAL ARTICLE AU - Young, I D TI - Genetic Risk AID - 10.1136/jmg.24.10.646 DP - 1987 Oct 01 TA - Journal of Medical Genetics PG - 646--646 VI - 24 IP - 10 4099 - http://jmg.bmj.com/content/24/10/646.1.short 4100 - http://jmg.bmj.com/content/24/10/646.1.full SO - J Med Genet1987 Oct 01; 24