1. Richardson SJ, Senikas V, Nelson JF. Follicular depletion during the menopausal transition: evidence for accelerated loss and ultimate exhaustion. J Clin Endocrinol Metab 1987;65:1231–7.
2. Treloar AE, Boynton RE, Behn BG, Brown BW. Variation of the human menstrual cycle through reproductive life. Int J Fertil 1967;12:77–126.
3. Vollman RF. The menstrual cycle. Philadelphia: WB Saunders, 1977.
4. Treloar AE. Menarche, menopause and intervening fecundity. Hum Biol 1974;46:89–107.
5. Treloar AE. Menstrual cyclicity and the premenopause. Maturitas 1981; 3:49–64.