Kariuki, S., G. Revathi, J. Corkill, J. Kiiru, J. Mwituria, N. Mirza, and C. Hart. “Escherichia Coli from Community-Acquired Urinary Tract Infections Resistant to Fluoroquinolones and Extended-Spectrum Beta-Lactams”. The Journal of Infection in Developing Countries, Vol. 1, no. 03, Dec. 2007, pp. 257-62, doi:https://doi.org/10.3855/jidc.361.