Iheukwumere, F.C., and U. Herbert. “Physiological Responses of Broiler Chickens to Quantitative Water Restrictions: Haematology and Serum Biochemistry”. International Journal of Poultry Science, vol. 2, no. 2, Feb. 2003, pp. 117–119, https://doi.org/10.3923/ijps.2003.117.119.