NERD: an umbrella term including heterogeneous subpopulations

Abstract

Nonerosive reflux disease (NERD) represents the more common phenotypic presentation of GERD and comprises patients who have typical symptoms without any mucosal breaks at endoscopy. However, these patients are markedly heterogeneous from a pathophysiological point of view and should be correctly classified by means of 24 h impedance–pH testing, which… (More)
DOI: 10.1038/nrgastro.2013.50

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