Khoshvaghti , A. et al. 2012. The Relationship Between Serum Level of Thyroid Hormones and Antioxidant Enzymes in Clinically Healthy Ostriches. International Journal of Poultry Science. 11, 3 (Feb. 2012), 202–208. DOI:https://doi.org/10.3923/ijps.2012.202.208.