1. Murphy DP, Torrano EF: Male fertility in 3620 childless couples. Fertil Steril 16: 337, 1965
2. Steinberger E, Steinberger A: Testis: Basic and clinical aspects, in Balin H Glasser S (eds): Reproductive Biology. Amsterdam, Excerpta Medica, 1972, pp 144–267
3. Newton J, Craig S, Joyce D: The changing pattern of a comprehensive infertility clinic. J Biosoc Sci 6: 477, 1974
4. Sherins RJ: Clinical aspects of treatment of male infertility with gonadotropins: Testicular response of some men given HCG with and without pergonal, in Mancini RE, Martini L (eds): Male Fertility and Sterility, Proceedings of Serono Symposia, Vol 5. New York, Academic, 1974, p 545
5. Smith KD, Rodriguez-Rigau LJ, Steinberger E: The infertile couple, working with them as a couple, in Cockett ATK, Urry RL (eds): Male Infertility. Workup, Treatment and Research. New York, Grune & Stratton, 1977, pp 211–214