No abstract available
MeSH terms
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Adult
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Aged
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Bronchitis / complications*
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Female
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Humans
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Male
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Middle Aged
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Mycoplasma / isolation & purification
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Mycoplasma Infections / complications*
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Orthomyxoviridae Infections / complications
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Pulmonary Emphysema / complications*
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Respiratory Syncytial Viruses / isolation & purification
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Rhinovirus / isolation & purification
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Virus Diseases / complications*