1- Bao., B. and Garverick. H.A. (1998). Expression of steroidogenic enzyme and gonadotropin receptor genes in bovine follicles during ovarian follicular waves: a review. Journal of Animal Science. 76. pp: 1903–1921.
2- Bao, B. Garverick, H.A. Smith, G.W. Smith, M.F. Salfen, B.E. and Youngquist, R.S. (1997). Changes in messenger ribonucleic acid encoding luteinizing hormone receptor, cytochrome P450-side chain cleavage, and aromatase are associated with recruitment and selection of bovine ovarian follicles. Biology of Reproduction. 56. pp: 1158–1168.
3- Bao, B. Calder, M.D. Xie, S. Smith, M.F. Salfen, B.E. Youngquist, R.S. and Garverick, H.A. (1998). Expression of steroidogenic acute regulatory protein messenger ribonucleic acid is limited to theca of healthy bovine follicles collected during recruitment, selection, and dominance of follicles of the first follicular wave. Biology of Reproduction. 59. pp: 953–959.
4- Belanger, A. Couture, J. Caron, S. and Roy, R. (1990). Determination of nonconjugated and conjugated steroid levels in plasma and prostate after separation on C-18 columns. Ann N YAcad Sci. 595. pp: 251–9.
5- Drummond, A.E. (2006). The role of steroids in follicular growth. Reproductive Biology and Endocrinology. 4. pp:16-23.
6- Fitzpatrick, S.L. and Richards, J.S. (1991). Regulation of cytochrome P450 aromatase messenger ribonucleic acid and activity by steroids and gonadotropins in rat granulosa cells. Endocrinology.129. pp:1452–1462.
7- Fitzpatrick, S.L. Carlone,D.L. Robker, R.L. and Richards, J.S. (1997). Expression of aromatase in the ovary: down-regulation of mRNA by the ovulatory luteinizing hormone surge. Steroids. 62. pp: 197–206.
8- Fortune, J.E. (1986). Bovine theca and granulosa cells interact to promote androgen production. Biology of Reproduction. 35. pp: 292–299.
9- Gutierrez, C.G. Campbell, B.K. and Webb, R. (1997). Development of a long-term bovine granulosa cell culture system: induction and maintenance of estradiol production, response to follicle-stimulating hormone, and morphological characteristics. Biology of Reproduction. 56. pp: 608–16.
10-Irving-Rodgers, H.F. Krupa, M.Rodgers, R.J. (2003). Cholesterol side-chain cleavage cytochrome P450 and 3beta-hydroxysteroid dehydrogenase expression and the concentrations of steroid hormones in the follicular fluids of different phenotypes of healthy and atretic bovine ovarian follicles. Biology of Reproduction. 69. pp: 2022–2028.
11- Kolibianakis, E.M. Papanikolaou, E.G. Fatemi, H.M. Devroey, P. (2005). Estrogen and folliculogenesis: is one necessary for the other? Current Opinion in Obstetrics and Gynecology 17. pp: 249–253.
12- Mihm, M. Baker, P.J. Fleming, L.M. Monteiro, A.M. O’Shaughnessy, P.J. (2008). Differentiation of the bovine dominant follicle from the cohort upregulates mRNA expression for new tissue development genes. Reproduction. 135. pp: 253–65.
13- Price, C.A. Carriere, P.D. Gosselin, N. Kohram, H. and Guilbault, L.A. (1999). Effects of superovulation on endogenous LH secretion in cattle, and consequences for embryo production. Theriogenology. 51. pp: 37–46.
14- Raffalli-Mathieu, F. Persson, D. and Mannervik, B. (2007). Differences between bovine and human steroid double-bond isomerase activities of Alphaclass glutathione transferases selectively expressed in steroidogenic tissues. Biochimica et Biophysica Acta. 1770. pp: 130–136.
15- Sahmi, M. Nicola, E.S. Silva, J.M. and Price, C.A. (2004). Expression of 17b- and 3b-hydroxysteroid dehydrogenases and steroidogenic acute regulatory protein in non-luteinizing bovine granulosa cells in vitro. Molecular and Cellular Endocrinology. 223. pp: 43–54.
16- Soumano, K. and Price, C.A. (1997). Ovarian follicular steroidogenic acute regulatory protein, low-density lipoprotein receptor, and cytochrome P450 side-chain cleavage messenger ribonucleic acids in cattle undergoing superovulation. Biology of Reproduction. 56. pp: 516–522.
17- Velerio, P.M. Gustavo, Z. Price, C.A. (2010). Cell plating density alters the ratio of estrogenic to progestagenic enzyme gene expression in cultured granulosa cells. Fertility and Sterility. 93. 6. pp: 2050-2055.
18- Xu, Z. Garverick, H.A. Smith, G.W. Smith, M.F. Hamilton, S.A. and Youngquist, R.S. (1995). Expression of messenger ribonucleic acid encoding cytochrome P450 side-chain cleavage, cytochrome p450 17 alpha-hydroxylase, and cytochrome P450 aromatase in bovine follicles during the first follicular wave. Endocrinology. 136. pp: 981–989.
19- Xuesong, Wen. Dong, Li. Tozer, A.J. Suzanne, M. Docherty, R. Iles, K. (2010). Estradiol, progesterone, testosterone profiles in human follicular fluid and cultured granulosa cells from luteinized pre-ovulatory follicles. Reproductive Biology and Endocrinology. 8:117.
20- Zheng, X. Price, C.A. Tremblay, Y. Lussier, J.G. and Carriere, P.D. (2008). Role of transforming growth factor-b1 in gene expression and activity of estradiol and progesterone-generating enzymes in FSH-stimulated bovine granulosa cells. Reproduction. 136. pp: 447–57.