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OPLS-DA scores plots (left) and coefficient plots (right) generated from 1H NMR spectra of intact thyroid tissue (A,C) and tissue aqueous extracts (B,D) showing the discrimination between healthy adjacent thyroid tissue (
), thyroid lesions (
), benign thyroid lesions (
) and malignant thyroid lesions (
). Key to metabolite is given in Table 1.
