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. 2017 Mar 6;12:1803–1813. doi: 10.2147/IJN.S113366

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© 2017 Xia et al. This work is published and licensed by Dove Medical Press Limited

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Photoacoustic signal images of NH₄HCO₃ solution at different near-IR wavelengths.

Abbreviations: IR, infrared; NH₄HCO₃, ammonium bicarbonate.