C. PATHAK, S. K. GHOURI, S. K. KUMAR, and M. M. SAXENA, “Amplification and cloning of exon regions from 1-4 of cathepsin B-like cysteine protease gene of Haemonchus contortus and immune response in lambs against cathepsin B-like cysteine protease fraction”, Indian J of Anim Sci, vol. 85, no. 11, pp. 1167–1171, Nov. 2015, doi: 10.56093/ijans.v85i11.53042.