No abstract available
Publication types
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Comparative Study
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Research Support, Non-U.S. Gov't
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Adolescent
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Adult
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Calibration
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Evaluation Studies as Topic
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Female
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Humans
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Male
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Monitoring, Physiologic / methods*
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Plethysmography / methods*
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Posture
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Respiration*
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Smoking
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Spirometry
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Tidal Volume
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Time Factors