Kerwin, E. M., Kalberg, C. J., Galkin, D. V., Zhu, C., Church, A., Riley, J. H., & Fahy, W. A. (2017). Umeclidinium/vilanterol as step-up therapy from tiotropium in patients with moderate COPD: A randomized, parallel-group, 12-week study. Int J Chron Obstruct Pulmon Dis.
シカゴスタイル引用形Kerwin, Edward M., Chris J. Kalberg, Dmitry V. Galkin, Chang-Qing Zhu, Alison Church, John H. Riley, , William A. Fahy. "Umeclidinium/vilanterol As Step-up Therapy From Tiotropium in Patients With Moderate COPD: A Randomized, Parallel-group, 12-week Study." Int J Chron Obstruct Pulmon Dis 2017.
MLA引用形式Kerwin, Edward M., et al. "Umeclidinium/vilanterol As Step-up Therapy From Tiotropium in Patients With Moderate COPD: A Randomized, Parallel-group, 12-week Study." Int J Chron Obstruct Pulmon Dis 2017.