No abstract available
MeSH terms
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Anti-Infective Agents / administration & dosage*
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Ascorbic Acid / therapeutic use*
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Bacterial Vaccines / administration & dosage*
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Evidence-Based Medicine
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Humans
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Phytotherapy / methods
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Respiratory Tract Infections / prevention & control*
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Treatment Outcome
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Viral Vaccines / administration & dosage*
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Zinc / administration & dosage*
Substances
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Anti-Infective Agents
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Bacterial Vaccines
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Viral Vaccines
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Zinc
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Ascorbic Acid