Ambrose, D. J., Schmitt, E. J., Lopes, F. L., Mattos, R. C., & Thatcher, W. W. (2004). Ovarian and endocrine responses associated with the treatment of cystic ovarian follicles in dairy cows with gonadotropin releasing hormone and prostaglandin F(2α), with or without exogenous progesterone. Canadian Veterinary Medical Association.

Ambrose, Divakar J., Eric J-P Schmitt, Flavia L. Lopes, Ricardo C. Mattos, and William W. Thatcher. Ovarian and Endocrine Responses Associated With the Treatment of Cystic Ovarian Follicles in Dairy Cows With Gonadotropin Releasing Hormone and Prostaglandin F(2α), With or Without Exogenous Progesterone. Canadian Veterinary Medical Association, 2004.

Ambrose, Divakar J., et al. Ovarian and Endocrine Responses Associated With the Treatment of Cystic Ovarian Follicles in Dairy Cows With Gonadotropin Releasing Hormone and Prostaglandin F(2α), With or Without Exogenous Progesterone. Canadian Veterinary Medical Association, 2004.