A. I. Ernest, E. Ndaboine, A. Massinde, A. Kihunrwa, and S. Mshana, “Maternal vaginorectal colonization by Group B Streptococcus and Listeria monocytogenes and its risk factors among pregnant women attending tertiary hospital in Mwanza, Tanzania”, Tanzania J Hlth Res, vol. 17, no. 2, Apr. 2015.