Sethi, S., Kerwin, E., Watz, H., Ferguson, G. T., Mroz, R. M., Segarra, R., . . . Garcia Gil, E. (2019). AMPLIFY: A randomized, Phase III study evaluating the efficacy and safety of aclidinium/formoterol vs monocomponents and tiotropium in patients with moderate-to-very severe symptomatic COPD. Int J Chron Obstruct Pulmon Dis.

Sethi, Sanjay, Edward Kerwin, Henrik Watz, Gary T. Ferguson, Robert M. Mroz, Rosa Segarra, Eduard Molins, Diana Jarreta, and Esther Garcia Gil. "AMPLIFY: A Randomized, Phase III Study Evaluating the Efficacy and Safety of Aclidinium/formoterol Vs Monocomponents and Tiotropium in Patients With Moderate-to-very Severe Symptomatic COPD." Int J Chron Obstruct Pulmon Dis 2019.

Sethi, Sanjay, et al. "AMPLIFY: A Randomized, Phase III Study Evaluating the Efficacy and Safety of Aclidinium/formoterol Vs Monocomponents and Tiotropium in Patients With Moderate-to-very Severe Symptomatic COPD." Int J Chron Obstruct Pulmon Dis 2019.