Viazis N, Karamanolis GP, Anastasiou J, et al. Refractory GERD: increased body mass index is associated with persisting acid exposure but not hypersensitive esophagus or functional heartburn. Eur J Gastroenterol Hepatol. 2013;25:1450–1455.Refractory GERD: increased body mass index is associated with persisting acid exposure but not hypersensitive esophagus or functional heartburn. Eur J Gastroenterol Hepatol. 2013;25:1450–1455.

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