No abstract available
MeSH terms
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Aged
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Apnea / etiology
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Catheterization, Central Venous / adverse effects*
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Embolism, Air / diagnostic imaging*
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Embolism, Air / etiology
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Humans
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Jugular Veins*
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Male
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Pulmonary Embolism / diagnostic imaging*
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Pulmonary Embolism / etiology
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Radiography