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A high percentage of SBS patients exhibited below normal serum concentrations of carotenoids, vitamin A and tocopherols. SBS patient data were compared with 5-95th or 10-90th percentile reference values from subjects enrolled in NHANES surveys between 1999 and 2002. SBS patients underwent an intestinal rehabilitation protocol during which serial serum samples were collected at baseline and at weeks 4 and 12 for analyte concentration determinations.
