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. 2017 Mar 16;12:2109–2115. doi: 10.2147/IJN.S130608

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© 2017 Machado and Webster. This work is published and licensed by Dove Medical Press Limited

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Fourier transform infrared spectroscopy spectra of the Sheridan^© polyvinyl chloride endotracheal tube (A) untreated as compared to (B) treated with a 0.1% Rhizopus arrhizus solution (nano-R).