PT - JOURNAL ARTICLE AU - F V De George TI - An association of Rh type and gynaecological disease with twinning. AID - 10.1136/jmg.6.2.121 DP - 1969 Jun 01 TA - Journal of Medical Genetics PG - 121--125 VI - 6 IP - 2 4099 - http://jmg.bmj.com/content/6/2/121.short 4100 - http://jmg.bmj.com/content/6/2/121.full SO - J Med Genet1969 Jun 01; 6