Zaniolo, Orietta, Michela Carsi, and Sergio Iannazzo. “Tiotropium Bromide in the Routine Care of GOLD Stage II COPD Patients: A Pharmaeconomic Evaluation”. Farmeconomia. Health economics and therapeutic pathways 12, no. 2 (June 15, 2011): 45–52. Accessed July 23, 2025. https://provafe.seedstm.com/index.php/FE/article/view/70.