Derya Kocamaz and Elif Oruc, 2020. Effect of Thiamethoxam and λ Cyhalothrin, Administered Individually and in Mixture on the Endocrine Function and Antioxidant Defense of Gonads of Oreochromis niloticus. Pakistan J. Zool., 52: 1085-1093. DOI: https://dx.doi.org/10.17582/journal.pjz/20191119081134