M. Z. Alam, M. A. Hossain, and M. A. Chowdhury, “Prevalence and risk factors of Human Immunodeficiency virus, Hepatitis B virus, Hepatitis C virus and Syphilis infections among nonprofessional blood donors in Chittagong, Bangladesh”, Asian J. Med. Biol. Res., vol. 1, no. 3, pp. 518–525, Feb. 2016.