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The economic burden of asthma and chronic obstructive pulmonary disease and the impact of poor inhalation technique with commonly prescribed dry powder inhalers in three European countries

Crossref DOI link: https://doi.org/10.1186/s12913-016-1482-7

Published Online: 2016-07-12

Published Print: 2016-12

Update policy: https://doi.org/10.1007/springer_crossmark_policy

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