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A Influence of the time of specimen collection on serum 7-alpha-hydroxy-4-cholesten-3-one (7HCO) levels in patients presenting with chronic diarrhea (median and interquartile range). B Influence of the time of specimen collection on serum 7HCO in patients presenting with chronic diarrhea for whom serum 7HCO levels were below 51 ng/mL (median and interquartile range)
