1. Manikkam, M., Rajamahendran, R., Progesterone-induced atresia of the proestrous dominant follicles in the bovine ovary: changes in diameter, insulin-like growth factor system, aromatase activity, steroid hormones and apoptotic index, Biol. Reprod., 1997, 57: 580.
2. Tilly, J. L., Ovarian follicullar atresia: a model to study the mechanisms of physiological cell death, Endocr. J., 1993, 1: 67.
3. Hsueh, A. J. W., Billig, H., Tsafriri, A., Ovarian follicle atresia: a hormonally controlled apoptotic process, Endocr. Rev. 1994, 15: 707.
4. Tilly, J. L., Billig, H., Kowalski, K. I. et al., Epidermal growth factor and basic fibroblast growth factor suppress the spontaneous onset of apoptosis in cultured rat granulosa cells and follicles by a tyrosine kinase-dependent mechanism, Mol. Endocrinol., 1992, 6: 1942.
5. Chun, S.Y., Billig, H., Tilly, J.L. et al., Gonadotropin suppression of apoptosis in cultured preovulatory follicles: mediatory role of endogenous insulin-like growth factor I, Endocrinology, 1994, 135: 1845.