The Coexistence of Asthma and Chronic Obstructive Pulmonary Disease (COPD): Prevalence and Risk Factors in Young, Middle-aged and Elderly People from the General Population
Main Authors: | , , , , , , , , , , , , , |
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Format: | Online |
Language: | English |
Published: |
Public Library of Science
2013
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Online Access: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3651288/ |