Long-acting beta(2)-agonist in addition to tiotropium versus either tiotropium or long-acting beta(2)-agonist alone for chronic obstructive pulmonary disease
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| Description | scientific article |
| Author/s |
author: Christopher Cates |
| Publication date | April 18, 2012 |
| Language | English |
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| Missing/wrong data? | Edit Wikidata item |