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Comparative effectiveness of budesonide/formoterol combination and fluticasone/salmeterol combination among chronic obstructive pulmonary disease patients new to controller treatment: a US administrative claims database study

Crossref DOI link: https://doi.org/10.1186/s12931-015-0210-x

Published Online: 2015-04-23

Published Print: 2015-12

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

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