title: [Endoscopy in the study of esophageal reflux].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D004945:Esophagoscopy; D005260:Female; D005764:Gastroesophageal Reflux / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies
vernacular_title: Endoscopia en el estudio de la esofagitis por reflujo.