APA ציטוט

Buhl, R., Gessner, C., Schuermann, W., Foerster, K., Sieder, C., Hiltl, S., & Korn, S. (2015). Efficacy and safety of once-daily QVA149 compared with the free combination of once-daily tiotropium plus twice-daily formoterol in patients with moderate-to-severe COPD (QUANTIFY): A randomised, non-inferiority study. Thorax.

Citação norma Chicago

Buhl, Roland, Christian Gessner, Wolfgang Schuermann, Karin Foerster, Christian Sieder, Simone Hiltl, and Stephanie Korn. "Efficacy and Safety of Once-daily QVA149 Compared With the Free Combination of Once-daily Tiotropium Plus Twice-daily Formoterol in Patients With Moderate-to-severe COPD (QUANTIFY): A Randomised, Non-inferiority Study." Thorax 2015.

ציטוט MLA

Buhl, Roland, et al. "Efficacy and Safety of Once-daily QVA149 Compared With the Free Combination of Once-daily Tiotropium Plus Twice-daily Formoterol in Patients With Moderate-to-severe COPD (QUANTIFY): A Randomised, Non-inferiority Study." Thorax 2015.