[Studies of changes of the surface area of the pressure-rising area during intraoperative manometry and the effects of reflux prevention].
D004947:Esophagus / Q000503:physiopathology* / Q000601:surgery; D005764:Gastroesophageal Reflux / Q000517:prevention & control*; D006801:Humans; D007432:Intraoperative Period; D008297:Male; D008365:Manometry; D008875:Middle Aged