Pneumonia and pneumonia related mortality in patients with COPD treated with fixed combinations of inhaled corticosteroid and long acting 2 agonist: observational matched cohort study (PATHOS)
Crossref DOI link: https://doi.org/10.1136/bmj.f3306
Published Online: 2013-05-29
Published Print: 2013-05-29
Update policy: https://doi.org/10.1136/crossmarkpolicy
Janson, C.
Larsson, K.
Lisspers, K. H.
Stallberg, B.
Stratelis, G.
Goike, H.
Jorgensen, L.
Johansson, G.