Shah, D., Driessen, M., Risebrough, N., Baker, T., Naya, I., Briggs, A., & Ismaila, A. S. (2018). Cost-effectiveness of umeclidinium compared with tiotropium and glycopyrronium as monotherapy for chronic obstructive pulmonary disease: A UK perspective. Cost Eff Resour Alloc.

Shah, Dhvani, Maurice Driessen, Nancy Risebrough, Timothy Baker, Ian Naya, Andrew Briggs, e Afisi S. Ismaila. "Cost-effectiveness of Umeclidinium Compared With Tiotropium and Glycopyrronium As Monotherapy for Chronic Obstructive Pulmonary Disease: A UK Perspective." Cost Eff Resour Alloc 2018.

Shah, Dhvani, et al. "Cost-effectiveness of Umeclidinium Compared With Tiotropium and Glycopyrronium As Monotherapy for Chronic Obstructive Pulmonary Disease: A UK Perspective." Cost Eff Resour Alloc 2018.