PT - JOURNAL ARTICLE ED - , TI - Modern Biology AID - 10.1136/jmg.7.1.104 DP - 1970 Mar 01 TA - Journal of Medical Genetics PG - 104--104 VI - 7 IP - 1 4099 - http://jmg.bmj.com/content/7/1/104.short 4100 - http://jmg.bmj.com/content/7/1/104.full SO - J Med Genet1970 Mar 01; 7