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Background
Chicago classification version 4.0 (CCv4.0) introduced stringent diagnostic criteria for oesophagogastric junction outflow obstruction (EGJOO), in order to increase the clinical relevance of the diagnosis, although this has not yet been demonstrated.
Aims
To determine the prevalence of EGJOO using CCv4.0 criteria in patients with CCv3.0‐based EGJOO, and to assess if provocative manoeuvres...
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