Measurement of gastroesophageal reflux.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001466:Barium Sulfate; D005260:Female; D005471:Fluoroscopy; D005743:Gastrectomy; D005745:Gastric Acidity Determination; D005750:Gastric Juice; D005764:Gastroesophageal Reflux / Q000175:diagnosis* / Q000000981:diagnostic imaging; D006548:Hernia, Diaphragmatic / Q000150:complications*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008297:Male; D008365:Manometry; D008722:Methods; D008875:Middle Aged; D011178:Postgastrectomy Syndromes / Q000175:diagnosis*; D014628:Vagotomy
D001466:Barium Sulfate