Crook, S., Büsching, G., Keusch, S., Wieser, S., Turk, A., Frey, M., . . . Frei, A. (2018). The association between daily exacerbation symptoms and physical activity in patients with chronic obstructive pulmonary disease. Int J Chron Obstruct Pulmon Dis.
Chicago Style aipamenaCrook, Sarah, Gilbert Büsching, Stephan Keusch, Stephan Wieser, Alexander Turk, Martin Frey, Milo A. Puhan, and Anja Frei. "The Association between Daily Exacerbation Symptoms and Physical Activity in Patients With Chronic Obstructive Pulmonary Disease." Int J Chron Obstruct Pulmon Dis 2018.
MLA aipamenaCrook, Sarah, et al. "The Association between Daily Exacerbation Symptoms and Physical Activity in Patients With Chronic Obstructive Pulmonary Disease." Int J Chron Obstruct Pulmon Dis 2018.