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Savarino, E; Pohl, D; Zentilin, P; Dulbecco, P; Sammito, G; Sconfienza, L; Vigneri, S; Camerini, G; Tutuian, R; Savarino, V (2009). Functional heartburn has more in common with functional dyspepsia than with non-erosive reflux disease. Gut, 58(9), pp. 1185-91. London: BMJ Publishing Group 10.1136/gut.2008.175810
