DOI: 10.1055/s-00022861

Aktuelle Kardiologie

References

Vogelmeier C, Fabbri LM, Rabe KF et al.
Effect of tiotropium vs. salmeterol on exacerbations: GOLD II and maintenance therapy naive patients.

Respir Med 2012;
DOI: 10.1016/j.rmed.2012.09.015.

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