Yingjie LU, Shuwen TAN, Bingqing O, Xiwen ZHANG, Ying YANG, Shujian HUANG, Saeed EL-ASHRAM. Inducible Nitric Oxide Synthase (iNOS) Enzyme Activity and Transcription Level as Well as Ultrastructural Changes in Different Tissues of Grass Carp in Response to Ichthyophthirius multifiliis. Kafkas Univ Vet Fak Derg,  25 (4):  459-466,  2019. DOI: 10.9775/kvfd.2018.21084