Kareem, A. M., Mohammed, Y. and Rogo, L. D. (2017) “Seroprevalence of Hepatitis B Virus Surface Antigen among Butchers and Slaughtered Cows in Kano Metropolis, Nigeria”, UMYU Journal of Microbiology Research (UJMR), 2(2), pp. 104–109. doi: 10.47430/ujmr.1722.016.