No abstract available
MeSH terms
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Animals
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Deglutition
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Esophagogastric Junction / physiology
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Esophagus / drug effects
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Esophagus / physiology*
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Female
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Food
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Humans
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Muscle Contraction / drug effects
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Neck Muscles / physiology
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Opossums
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Peristalsis
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Pharynx / physiology
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Pregnancy
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Pressure