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Total bile acids are increased following Roux-en-Y gastric bypass surgery (GB) as compared with control subjects matched for postoperative BMI (overweight (Ov)) and for preoperative BMI (morbid obesity (MOb)). Data are presented as mean ± s.e. P (ANOVA) = 0.007. *Indicates P < 0.05, **P < 0.01 for comparison of GB vs. overweight.
