title: Endoscopy and esophageal pH study. Foreword.
authors.affiliation: University of Arizona College of Medicine, 1450 North Cherry, Tucson, AZ 85719, bdweiss@email.arizona.edu.
authors.forename: Barry D
authors.initials: BD
authors.lastname: Weiss
mesh_terms: D005194:Family Practice; D005767:Gastrointestinal Diseases / Q000188:drug therapy* / Q000628:therapy*; D006801:Humans