Abok, I., M. Banwat, S. Oguche, S. Okolo, and A. Zoakah. “HIV Prevalence in Vulnerable Children Living in Jos, Plateau State, North-Central Nigeria”. International Journal of Child Health and Nutrition, vol. 4, no. 4, Dec. 2015, pp. 240-5, doi:10.6000/1929-4247.2015.04.04.6.