Comorbidities of patients in tiotropium clinical trials : comparison with observational studies of patients with chronic obstructive pulmonary disease
Date
2015-03-16
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Citation
Miravitlles, M, Price, D, Rabe, K F, Schmidt, H, Metzdorf, N & Celli, B 2015, 'Comorbidities of patients in tiotropium clinical trials : comparison with observational studies of patients with chronic obstructive pulmonary disease', International journal of chronic obstructive pulmonary disease , vol. 10, pp. 549-564. https://doi.org/10.2147/COPD.S71913