J. K. JOHN, J. J. KATTOOR, M. SETHI, N. TOMAR, T. DAS, and G. SAIKUMAR, “Genetic diversity of Indian porcine circovirus type 2 (PCV2) isolates (2006-2018)”, Indian J of Anim Sci, vol. 90, no. 6, pp. 842–846, Sep. 2020, doi: 10.56093/ijans.v90i6.104974.