How representative are clinical study patients with asthma or COPD for a larger “real life” population of patients with obstructive lung disease?
Kjetil Herland, Jan-Petter Akselsen, Ole Henning Skjønsberg, Leif BjermerVolume:
99
Year:
2005
Language:
english
DOI:
10.1016/j.rmed.2004.03.026
File:
PDF, 230 KB
english, 2005