1. A History of Endocrinology;Medvei,1982
2. A Short History of Obstetrics and Gynecology;Cianfrani,1960
3. Fertilizing capacity of frozen human spermatozoa;Bunge;Nature,1953
4. Artificial insemination by donor;Joyce;International Planned Parenthood Federation Medical Bulletin,1979
5. Reproductive impairment among married couples in the United States;Mosher;National Family Growth Series,1983