1. 1) Talbert GB. Effect of maternal age on reproductive capacity. Am J Obstet Gynecol 1968; 102: 451-477.
2. 2) Jones EC. The aging ovary and its influence on reproductive capacity. J Reprod Fertil Suppl 1970; 12: 17-30.
3. 3) Foote RH. The gametogenic function of the aging ovary in the mammal. In: Blandau RJ (ed.), Aging Gametes. Basel: Karger; 1975: 175-200.
4. 4) Butcher RL, Page RD. Role of the aging ovary in cessation of reproduction. In: Schwartz NB, Hunzicker-Dunn M (eds.), Dynamics of Ovarian Function. New York: Raven Press; 1981: 253-271.
5. 5) Adams CE. Reproductive senescence. In: Austin CR, Short RV (eds.), Reproduction in Mammals, Book 4: Reproductive Fitness. Cambridge: Cambridge University Press; 1984: 210-233.