title: [Diagnostic advances in gastroesophageal reflux disease].
authors.affiliation: UNAM, Jefe del Laboratorio de Motilidad Gastrointestinal. Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico, D.F.
authors.forename: Miguel Angel
authors.initials: MA
authors.lastname: Valdovinos Díaz
mesh_terms: D001706:Biopsy; D002986:Clinical Trials as Topic; D049630:Esophageal Sphincter, Lower / Q000473:pathology* / Q000502:physiology; D050782:Esophageal pH Monitoring / Q000295:instrumentation; D004945:Esophagoscopy; D005764:Gastroesophageal Reflux / Q000175:diagnosis*; D006801:Humans