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Airway resistance is used in respiratory physiology to measure the resistance of the respiratory tract to airflow coming in during inspiration (inhalation) and going out during expiration (exhalation)

Age, menopause, and conditions such as diabetes or an underactive thyroid can also contribute

Third, as with other investigations using data from the FHS original and offspring cohorts, this investigation is composed primarily of white individuals of European ancestry, potentially limiting generalizability of results to individuals of other races/ethnicities

Essential Features of Modern Electric Rollers Automatic Material Feeding: Ensures consistent and even filling

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