APA

Douma W. R., Kerstjens H. A. M., de Gooijer A., Overbeek S. E., Koëter G. H. & Postma D. S. (20020221). Initial improvements in lung function and bronchial hyperresponsiveness are maintained during 5 years of treatment with inhaled beclomethasone dipropionate and terbutaline. : Chest.

Chicago

Douma W Rob, Kerstjens Huib A M, de Gooijer Ad, Overbeek Shelley E, Koëter Gerard H and Postma Dirkje S. 20020221. Initial improvements in lung function and bronchial hyperresponsiveness are maintained during 5 years of treatment with inhaled beclomethasone dipropionate and terbutaline. : Chest.

Harvard

Douma W. R., Kerstjens H. A. M., de Gooijer A., Overbeek S. E., Koëter G. H. and Postma D. S. (20020221). Initial improvements in lung function and bronchial hyperresponsiveness are maintained during 5 years of treatment with inhaled beclomethasone dipropionate and terbutaline. : Chest.

MLA

Douma W Rob, Kerstjens Huib A M, de Gooijer Ad, Overbeek Shelley E, Koëter Gerard H and Postma Dirkje S. Initial improvements in lung function and bronchial hyperresponsiveness are maintained during 5 years of treatment with inhaled beclomethasone dipropionate and terbutaline. : Chest. 20020221.