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\bibitem{2667} R.A.Bendezu, E.Barba, E.Burri, D.Cisternas, Carolina Malagelada, Santiago Segui, et al. (2015). Intestinal gas content and distribution in health and in patients with functional gut symptoms. \textit{NEUMOT - Neurogastroenterology \& Motility}, \textit{27}(9), 1249--1257.

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