title: Upper esophageal sphincter pressure recording: is an oval manometry catheter necessary?
authors.forename: W E
authors.initials: WE
authors.lastname: Green
authors.forename: J A
authors.initials: JA
authors.lastname: Castell
authors.forename: D O
authors.initials: DO
authors.lastname: Castell
mesh_terms: D000328:Adult; D000368:Aged; D004943:Esophagogastric Junction / Q000503:physiopathology*; D005260:Female; D006801:Humans; D008297:Male; D008365:Manometry / Q000295:instrumentation; D008875:Middle Aged