APA
Kerstjens H. A. M., Moroni-Zentgraf P., . (20160307). Tiotropium add-on therapy in patients with uncontrolled asthma. : The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.
Chicago
Kerstjens Huib A M, Moroni-Zentgraf Petra, . 20160307. Tiotropium add-on therapy in patients with uncontrolled asthma. : The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.
Harvard
Kerstjens H. A. M., Moroni-Zentgraf P., . (20160307). Tiotropium add-on therapy in patients with uncontrolled asthma. : The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.
MLA
Kerstjens Huib A M, Moroni-Zentgraf Petra, . Tiotropium add-on therapy in patients with uncontrolled asthma. : The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease. 20160307.