RAO S, VIJAYASARATHI SK, GOWDA RNS, SATYANARAYANA ML, BYREGOWDA SM. Detection of Newcastle disease viral antigen in various organs by immunoperoxidase test. Indian J of Anim Sci. 2014;72(5). Accessed October 23, 2025. https://epubs.icar.org.in/index.php/IJAnS/article/view/37586