PT - JOURNAL ARTICLE AU - Berg, J M AU - Bavin, J T TI - Mongolism and maternal menarche. AID - 10.1136/jmg.6.2.135 DP - 1969 Jun 01 TA - Journal of Medical Genetics PG - 135--136 VI - 6 IP - 2 4099 - http://jmg.bmj.com/content/6/2/135.short 4100 - http://jmg.bmj.com/content/6/2/135.full SO - J Med Genet1969 Jun 01; 6