No abstract available
Publication types
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Comparative Study
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Research Support, Non-U.S. Gov't
MeSH terms
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Adult
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Catheterization / instrumentation
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Esophagus / physiology
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Humans
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Infant
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Infant, Newborn
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Pressure
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Respiratory Function Tests / instrumentation*
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Respiratory Function Tests / methods
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Transducers*
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Transducers, Pressure*