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MB Deep Breathing Lung Exerciser - 3 Balls Incentive Spirometer Small and Washable for Adults (Pack Of 2) : Amazon.in: Health & Personal Care
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A medical worker helps a patient suffering from the coronavirus disease (COVID-19) to blow a spirometer for increase lung capacity, at the Intensive Care Unit (ICU) of the Max Smart Super Speciality
Lung exercises | How To Use Spirometer: The right way to use a spirometer and most commonly made mistakes
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Infi Infi0009 3 Balls Spirometer Respiratory Lung Exerciser (Multi-Colour) : Amazon.in: Industrial & Scientific
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