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How to use: a pH study
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    pH-impedance studies have greater clinical utility than pH-monitoring alone.
    • Michiel P. van Wijk, research fellow
    • Other Contributors:
      • Clara M. Loots, Taher I. Omari, and Marc A. Benninga

    Dear Sir,

    With interest we read the paper by Tighe et al about the use of pH- monitoring in childhood.(1) However, we believe that the authors overestimate the role of this technique and their omission of a detailed discussion of the utility of pH-impedance monitoring renders this review incomplete.

    The term ‘gold standard’ can no longer be applied to 24-hour pH- monitoring because pH-probes only d...

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