1. Overripeness of the egg as a possible cause in mental and physical disorders;Witschi;Soc Biol Suppl,1972
2. Incidence of early loss of pregnancy;Wilcox;N Engl J Med,1988
3. Probabilities of fetal mortality;French;Publ Hlth Rep,1967
4. Methodologic problems in determining fetal loss rates: Relevance to chorionic villi sampling;Simpson,1985
5. Chromosome abnormalities in human reproductive wastage;Hassold;Trends Genet,1986