title: Effect of an anterior fundoplication on lower esophageal sphincter competence.
mesh_terms: D001706:Biopsy; D002986:Clinical Trials as Topic; D004941:Esophagitis / Q000601:surgery; D004943:Esophagogastric Junction / Q000503:physiopathology*; D004945:Esophagoscopy; D004947:Esophagus / Q000473:pathology; D005764:Gastroesophageal Reflux / Q000188:drug therapy / Q000601:surgery*; D005769:Gastrointestinal Motility; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008365:Manometry; D008875:Middle Aged; D011312:Pressure; D013270:Stomach / Q000503:physiopathology