Accuracy of the diagnosis of GORD by questionnaire, physicians and a trial of proton pump inhibitor treatment: the Diamond Study.

Abstract

OBJECTIVE The aim of this study was to determine the accuracy of the diagnosis of gastro-oesophageal reflux disease (GORD) by the Reflux Disease Questionnaire (RDQ), family practitioners, gastroenterologists and a test of esomeprazole therapy. METHODS This was a single-blind, single-arm study over 3-4 weeks from September 2005 to November 2006. Each… (More)
DOI: 10.1136/gut.2009.200063

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