title: Answer to Professor Kountouras's letter.
authors.affiliation: Department of Internal Medicine, Gastroenterology Clinic, 'Henry Dunant Hospital', Athens, Greece.
authors.forename: Theodore
authors.initials: T
authors.lastname: Rokkas
mesh_terms: D005764:Gastroesophageal Reflux / Q000209:etiology*; D016481:Helicobacter Infections / Q000150:complications*; D016480:Helicobacter pylori; D006801:Humans