Usman, Jafar, Muazu Abubakar Gusau, Ibrahim Abubakar, and Salisu Hussaini. 2026. “Mutation in the Quinolone Resistance-Determining Region (QRDR) of the GyrA Gene in Ciprofloxacin-Resistant Staphylococcus Aureus: Quinolone Resistance-Determining Region (QRDR) of the GyrA Gene”. Journal of Biological Research and Biotechnology 24 (1): 490-96. https://doi.org/10.4314/br.v24i1.23.