No abstract available
MeSH terms
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Electric Impedance*
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Enteral Nutrition
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Esophagus
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Gastric Acidity Determination*
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Gastroesophageal Reflux / diagnosis*
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Humans
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Hydrogen-Ion Concentration
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Infant, Newborn
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Infant, Premature
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Infant, Premature, Diseases / diagnosis*
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Intubation, Gastrointestinal