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Effect of add-on therapy of tiotropium in COPD treated with theophylline
BACKGROUND: Although combination therapy with bronchodilators is recommended for chronic obstructive pulmonary disease (COPD), there is insufficient evidence for the efficacy of some combinations of long-acting bronchodilators. OBJECTIVE: We investigated the effects of a combination therapy with tio...
Autores principales: | , , , , , , , , |
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
Dove Medical Press
2008
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2528215/ https://www.ncbi.nlm.nih.gov/pubmed/18488437 |