Titlebook: Gastroesophageal Reflux in Children; Yvan Vandenplas Book 2022Latest edition The Editor(s) (if applicable) and The Author(s), under exclus

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Lineare Differentialgleichungen,differentiate between reflux esophagitis and eosinophilic esophagitis, but cannot show or exclude non-erosive GER-disease. In theory, 24-h pH-impedance testing allows for detecting all GER events and establishing a temporal association between individual GER events and symptoms. However, no true nor

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