| Title : Comparison of tiotropium once daily, formoterol twice daily and both combined once daily in patients with COPD - van Noord_2005_Eur.Respir.J_26_214 |
| Author(s) : van Noord JA , Aumann JL , Janssens E , Smeets JJ , Verhaert J , Disse B , Mueller A , Cornelissen PJ |
| Ref : Eur Respir J , 26 :214 , 2005 |
| Abstract : |
| PubMedSearch : van Noord_2005_Eur.Respir.J_26_214 |
| PubMedID: 16055868 |