| Title : Lung function changes following methacholine inhalation in COPD - Walker_2009_Respir.Med_103_535 |
| Author(s) : Walker PP , Hadcroft J , Costello RW , Calverley PM |
| Ref : Respir Med , 103 :535 , 2009 |
| Abstract : |
| PubMedSearch : Walker_2009_Respir.Med_103_535 |
| PubMedID: 19081234 |