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Hozyen, H. , Ahmed, H. , Shalaby, S. , Essawy, G.. "Seasonal Heat Stress Effect on Cholesterol, Estradiol and Progesterone during Follicular Development in Egyptian Buffalo". World Academy of Science, Engineering and Technology, Open Science Index 110, International Journal of Animal and Veterinary Sciences, (2016), 10(2), 81 - 86.