No abstract available
MeSH terms
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Airway Management / standards
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Cricoid Cartilage / diagnostic imaging*
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Cricoid Cartilage / surgery
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Emergency Medical Services / standards*
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Humans
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Intubation / standards*
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Patient Safety / standards*
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Thyroid Cartilage / diagnostic imaging*
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Thyroid Cartilage / surgery
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Ultrasonography, Interventional / standards*