1. Guidelines for gamete donation: 1993;American Fertility Society (AFS);Fertility and Sterility,1993
2. Congenital bilateral absence of the vas deferens;Anguiano;Journal of the American Medical Association,1992
3. Growth and development of children conceived by in vitro fertilization;Brandes;Pediatrics,1992
4. Personal communication;Black,1993
5. Genetic diagnosis of the preimplantation embryo;Buster;American Journal of Medical Genetics,1989