title: [The upper esophageal sphincter and its basal pressure].
authors.forename: V N
authors.initials: VN
authors.lastname: Felix
mesh_terms: D003679:Deglutition / Q000502:physiology*; D004943:Esophagogastric Junction / Q000033:anatomy & histology / Q000502:physiology*; D006801:Humans; D011312:Pressure