M. O. Adeoye-Isijola, B. A. Osopale, and . O. O. Olajuyigbe, “In vitro influence of metronidazole on the activities of ciprofloxacin against clinically important bacterial isolates”, GSC Biol. Pharm. Sci., vol. 6, no. 3, pp. 031–039, Mar. 2019.