1. American Fertility Society, Society for Assisted Reproductive Technology,1991
2. American Fertility Society, Society for Assisted Reproductive Technology,1992
3. American Fertility Society, Society for Assisted Reproductive Technology,1993
4. Implications of the Fertility Clinic Success Rate and Certification Act of 1992;Lawrence;Fertil Steril,1993
5. In vitro fertilization-embryo transfer (IVF-ET) in the United States: 1989 results from the IVF-ET Registry;Medical Research International Society for Assisted Reproductive Technology, The American Fertility Society;Fertil Steril,1991