Al-Abdali, Intisar. " Efflux-Mediated Synergy and Preserved in Vitro Selectivity of Zinc Oxide Nanoparticle–Ampicillin Combinations against Multidrug-Resistant Klebsiella Pneumoniae and Pseudomonas Aeruginosa." NIU Journal of Health Sciences [Online], 12.2 (2026): 153-178. Web. 12 Oct. 2026