title: [Clinical Trials in gastroenterology related to Helicobacter pylori infection].
authors.affiliation: Servicio de Aparato Digestivo, Hospital Universitario de la Princesa, Madrid, España. gisbert@meditex.es
authors.forename: J P
authors.initials: JP
authors.lastname: Gisbert
authors.forename: J M
authors.initials: JM
authors.lastname: Pajares
mesh_terms: D002985:Clinical Protocols; D002986:Clinical Trials as Topic / Q000379:methods*; D005500:Follow-Up Studies; D016481:Helicobacter Infections / Q000175:diagnosis / Q000628:therapy*; D016480:Helicobacter pylori; D006801:Humans; D018579:Patient Selection; D012107:Research Design; D018401:Sample Size