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Additional analyses (a) indicate that when grouped into ranges of fluorescence radiance emission (n = 41 samples), the mean autofluorescence in the population was approximately 3.38 mW/cm2.sr, with the population spread deviating from a normal distribution. (b) represent further distribution in a box-and-whisker plot where the population median was 3.10 mW/cm2.sr. Four measurements exist outside the 95% confidence interval.
