asthma and chronic obstructive pulmonary disease copd asian teenage using metered dose inhaler mdi |
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| navigate by keyword : adult aerosol air allergic allergy asthma asthmatic attack background breath breathing bronchitis bronchodilator care chest chronic obstructive pulmonary disease concept copd cough emphysema equipment health healthcare illness inhalation inhale inhaler lung lungs medical medicine nebulizer oxygen patient pneumonia problem respiratory system salbutamol spray suffering symptom teenage therapy treatment wheezing |
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| Asthma and chronic obstructive pulmonary disease COPD, Asian teenage using metered dose inhaler |
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