[Intraoperative endoscopic pH measurement].
D004381:Duodenal Ulcer / Q000601:surgery*; D005745:Gastric Acidity Determination; D005773:Gastroscopy; D006801:Humans; D007432:Intraoperative Period; D014628:Vagotomy / Q000592:standards*
Intraoperatsionnaia éndoskopicheskaia pH-metriia.