1. 3. Modell, , “Perspectives in Fetal Diagnosis of Congenital Diseases,” report delivered at WHO/Serono meeting, 1985.
2. 10. Hamerton, J.L. et al., “Chromosome Disease,” in Hamerton, J.L. Simpson, N.E. , eds., Prenatal Diagnosis, Past, Present and Future (Report of an International Workshop), Prenatal Diagnosis (Special Issue), 1980, p. 11.
3. 11. President's Commission, supra note 6, at 56–58.