1. Box plot showing the distribution of pH by sample type, including: median (midline); mean (◊); 25th and 75th percentiles (box); and the range, excluding outliers (bars).
Box plot showing the distribution of pH by sample type, including: median (midline); mean (◊); 25th and 75th percentiles (box); and the range, excluding outliers (bars).
Anne M Rowat et al. BMJ Open Gastroenterol 2018;5:e000211
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