DOI: 10.1055/s-00000059

Pneumologie

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Referenz

Farne HA, Cates CJ.
Long-acting beta2-agonist in addition to tiotropium versus either tiotropium or long-acting beta2-agonist alone for chronic obstructive pulmonary disease.

Cochrane Database Syst Rev 2015;
10: CD008989

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