title: H. pylori-infected gastroesophageal reflux disease patients harbor less virulent strains.
authors: Carlo A
authors: CA
authors: Fallone
authors: Alan N
authors: AN
authors: Barkun
mesh_terms: D005764:Gastroesophageal Reflux / Q000150:complications* / Q000235:genetics* / Q000821:virology; D016481:Helicobacter Infections / Q000150:complications* / Q000235:genetics* / Q000821:virology; D016480:Helicobacter pylori / Q000235:genetics* / Q000821:virology*; D006801:Humans