Bravo wireless versus catheter pH monitoring systems.
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D002214:Capsules; D005745:Gastric Acidity Determination; D005764:Gastroesophageal Reflux / Q000175:diagnosis*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D018670:Monitoring, Ambulatory / Q000379:methods; D015203:Reproducibility of Results; D013686:Telemetry
D002214:Capsules