PT - JOURNAL ARTICLE AU - Ashley, D J TI - Welshness and fertility. AID - 10.1136/jmg.6.2.180 DP - 1969 Jun 01 TA - Journal of Medical Genetics PG - 180--182 VI - 6 IP - 2 4099 - http://jmg.bmj.com/content/6/2/180.short 4100 - http://jmg.bmj.com/content/6/2/180.full SO - J Med Genet1969 Jun 01; 6