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. 2020 Jan 10;15(1):e0227281. doi: 10.1371/journal.pone.0227281

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© 2020 Senger et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 3 — (A) PCA results for Raman spectra of 362 urine specimens obtained from patients receiving PD therapy for ESKD and 235 urine specimens from healthy individuals. (B) Contributions of Raman shifts leading to separations among principal components.