Cochrane Database of Systematic Reviews (Protocols) || The added effect of inhaled corticosteroids to tiotropium and long-acting beta 2 -agonists for chronic obstructive pulmonary disease
Karner, CharlottaYear:
1996
Language:
english
DOI:
10.1002/14651858.cd009039
File:
PDF, 121 KB
english, 1996