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The prevalence and incidence of gastroesophageal reflux disease (GERD) in idiopathic pulmonary fibrosis (IPF). (A) Kaplan-Meier curves of the prevalence of GERD according to duration of follow-up in patients with IPF. (B) Kaplan-Meier curves of the cumulative incidence of de novo GERD after diagnosis of IPF.
