Abstract:Chronic Obstructive Pulmonary Disease (COPD) and asthma are common respiratory diseases, but with complicated definitions. Spacers are devices used for the administration of inhaled medications, aiming to reduce the need for synchronization by the patient, allowing him/her to breathe normally during the administration of the medication. However, due to high cost and low availability, the use of commercial spacers is hampered in developing countries, such as Brazil. To solve this problem, several forms of homem… Show more
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