Comorbidities of patients in tiotropium clinical trials : comparison with observational studies of patients with chronic obstructive pulmonary disease
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
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