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. 2023 Jan 14;48:102654. doi: 10.1016/j.nano.2023.102654

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Fig. 4 — Comparison of negative control rat lung (uninfected, nebulized water – A) to the effects of vehicle control (infected, nebulized water – B), nebulized nanosilver solution (C), and nebulized tobramycin (D) on Pseudomonas aeruginosa infected rat lungs at 48 h treatment. In the figure, 1 indicates a terminal bronchiole, 2 indicates the alveolar duct, 3 indicates an alveoli, and 4 indicates an interstitial space infiltrated with polymorphonuclear cells (PMNs).