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Raman spectroscopy on blood serum samples of patients with end-stage liver disease
Fig 8
Calculated (y-axis) versus laboratory values (x-axis) for bilirubin of an independent set of 11 patients.
The serum sample of the outlier, highlighted in red, contained a visible residuum.
doi: https://doi.org/10.1371/journal.pone.0256045.g008