1. Spontaneous abortion risks in man. Data from reproductive histories collected in a medical genetics unit;Warburton;Am J Hum Genet,1964
2. The frequency of spontaneous abortion;Roth;Int J Fertil,1963
3. The frequency of localized anomalies in the human embryo and infants at birth;Mall;Am J Anat,1917
4. Fetal loss after implantation;Miller;Lancet,1981
5. Teratogenic effect from overripeness of the egg;Witski,1976