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Researchers testing a respirator at the Harvard School of Public Health
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Harvard School of Public Health Students
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Measuring respiration with a spirometer
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Plethysmograph Research
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Measuring respiration with a plethysmograph
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Photo montage: Harvard Public Health
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Exhibit on artificial respiration, created by the Department of Physiology at the Harvard School of Public Health
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Students from the Department of Nutrition at the Harvard School of Public Health
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Eggs being studied by Harvard School of Public Health researchers
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Measuring lung capacity with a plethysmograph "body box"
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