No abstract available
Publication types
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Clinical Trial
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Randomized Controlled Trial
MeSH terms
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Aerosols
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Aged
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Humans
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Influenza Vaccines* / administration & dosage
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Influenza, Human / prevention & control*
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Injections, Subcutaneous
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Middle Aged
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Prognosis
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Vaccination*
Substances
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Aerosols
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Influenza Vaccines