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. 2019 Aug 11;10(6):1241–1257. doi: 10.1002/jcsm.12474

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© 2019 The Authors Journal of Cachexia, Sarcopenia and Muscle published by John Wiley & Sons Ltd on behalf of Society on Sarcopenia, Cachexia and Wasting Disorders

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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Serum follistatin and activin A concentrations in obese insulin‐resistant individuals before and following Roux‐en‐Y gastric bypass surgery. Serum concentrations of (A) follistatin (Fst), (B) activin A, and (C) ratio between Fst and activin A before and 1 week and 1 year after Roux‐en‐Y gastric bypass surgery (RYGB), a procedure that markedly improves glycaemic control. (D) Body weight (n = 9; however, for two data points, a value is missing, as indicated in the graph showing individual values). Statistically significant effect of RYGB is indicated by ^#/^##/^### P < 0.05/0.001/0.0001. Data are shown mean ± SEM and/or individual values when applicable.