Toghyani, M., et al. “Performance, Carcass Traits and Hematological Parameters of Heat-Stressed Broiler Chicks in Response to Dietary Levels of Chromium Picolinate”. International Journal of Poultry Science, vol. 5, no. 1, Dec. 2005, pp. 65–69, https://doi.org/10.3923/ijps.2006.65.69.