No abstract available
Publication types
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Clinical Trial
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Controlled Clinical Trial
MeSH terms
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Bronchitis / drug therapy*
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Clinical Trials as Topic
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Elasticity
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Guaifenesin / administration & dosage
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Guaifenesin / therapeutic use*
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Humans
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Placebos
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Sputum*
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Viscosity
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Water
Substances
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Placebos
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Water
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Guaifenesin