Akujobi, C., Ogbulie, J., Umeh, S., & Abanno, N. (2008). Antibiotic-resistant <i>Escherichia coli</i> in a government piggery farm in Owerri, Nigeria. International Journal of Biological and Chemical Sciences, 2(3), 363–367. https://doi.org/10.4314/ijbcs.v2i3.39750