PT - JOURNAL ARTICLE AU - H. Lehmann TI - Books and Monographs AID - 10.1136/jmg.6.2.230 DP - 1969 Jun 01 TA - Journal of Medical Genetics PG - 230--230 VI - 6 IP - 2 4099 - http://jmg.bmj.com/content/6/2/230.1.short 4100 - http://jmg.bmj.com/content/6/2/230.1.full SO - J Med Genet1969 Jun 01; 6