1 Bouros D, Evangeliou M N, Critical steps: A Non-Interventional, Multicenter, Prospective, Observational Study on Critical Handling Errors with DPI Use, in Asthma und COPD Patients. J Pulm Respir Med 2016, 6:4 DOI: 10.4172/2161-105X,1000360.
2 Zervas E, Samitas K, Gaga M, Assessment of satisfaction with different dry powder inhalation devices in Greek patients with COPD and asthma: the ANASA study. Int J Chron Obstruct Pulmon Dis 2016;11:1845–55.