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Visual analogue score during 1 min. thermal stimulation on the 4 experimental days. Medians and interquartile ranges are displayed. Values higher than 1.5 times of upper quartile or lower quartile are designated as outliers and marked with °. Abbreviations: VAS, Visual analogue score; p-TS, Pain during 1 min. thermal stimulation; AUC, Area under the curve.
