Kaur R, Johal MS, Sandhu GS. Histological changes in the branchial architecture of Heteropneustes fossilis induced by fenvalerate, a synthetic pyrethroid. Indian J of Anim Sci. 2005;75(10). Accessed October 23, 2025. https://epubs.icar.org.in/index.php/IJAnS/article/view/8282