Narang, Asmita, Charanjit Singh, Shukriti Sharma, Baljinder Kumar Bansal, and Neeraj Kashyap. 2020. “Sero-Positivity of Bovine Herpes Virus Type 1, Parainfluenza Type 3 Virus and Respiratory Syncytial Virus in Healthy and Pneumonic Cattle”. International Journal of Livestock Research 10 (12). India:45-50. https://doi.org/10.5455/ijlr.20200713051224.