“FAILURE OF FOLLICULAR STIMULATION AND OESTRUS INDUCTION WITH SYNTHETIC GONADOTROPIN RELEASING HORMONE AND PROGESTERONE IN DEEPLY ANOSTRUS ARABIAN MARES ”. The Iraqi Journal of Veterinary Medicine, vol. 13, no. 1, Dec. 1989, pp. 1-7, https://doi.org/10.30539/ijvm.v13i1.1647.