Acharya, M. P., S. K. Adhikari, H. Awasthi, A. Jha, and U. M. Singh. 2019. “Field Verification Trial of ND I-2 Vaccine in Nepal”. Nepalese Veterinary Journal 36 (December):15-22. https://doi.org/10.3126/nvj.v36i0.27748.