KUMAR R, YADAV CL, VATSYA S. Biological variance in susceptible and resistant strains of Haemonchus contortus in sheep. Indian J of Anim Sci [Internet]. 2011 Mar. 10 [cited 2025 Oct. 23];78(9). Available from: https://epubs.icar.org.in/index.php/IJAnS/article/view/4828