DOI: 10.1055/s-00000094

Zeitschrift für Gastroenterologie

References

Johansson KE, Tibbling L.
Evaluation of the 24-hour pH test at two different levels of the esophagus.

In: DeMeester TR, Skinner DB, (eds)
Esophageal disorders: pathophysiology and therapy.

New York.: Raven Press; 1985: 579-582

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