No abstract available
MeSH terms
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Adolescent
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Adult
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Age Factors
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Attitude to Health
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Behavior*
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Chewing Gum
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Common Cold / complications
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Cough / complications
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Educational Status
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Family
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Habits
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Habituation, Psychophysiologic
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Health Education
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Hoarseness / complications
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Hospitalization
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Humans
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Male
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Middle Aged
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Occupations
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Paternal Behavior
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Smoking*
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Social Behavior
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Time Factors
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United States