24-h pH monitoring for gastroesophageal reflux disease: already standard but not yet gold?
- PMID: 1519562
24-h pH monitoring for gastroesophageal reflux disease: already standard but not yet gold?
Comment on
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Ambulatory 24-h esophageal pH monitoring: normal values, optimal thresholds, specificity, sensitivity, and reproducibility.Am J Gastroenterol. 1992 Sep;87(9):1102-11. Am J Gastroenterol. 1992. PMID: 1519566