title: [Always biopsies of the esophagus].
authors.forename: Peter
authors.initials: P
authors.lastname: Stiefelhagen
mesh_terms: D001706:Biopsy; D003680:Deglutition Disorders / Q000473:pathology*; D003937:Diagnosis, Differential; D057765:Eosinophilic Esophagitis / Q000473:pathology; D004945:Esophagoscopy; D004947:Esophagus / Q000473:pathology*; D005764:Gastroesophageal Reflux / Q000473:pathology; D006801:Humans