Dal Negro RW, Povero M. Acceptability and preference of three inhalation devices assessed by the Handling Questionnaire in asthma and COPD patients. Multidiscip Respir Med [Internet]. 2016 Feb. 10 [cited 2024 Jul. 7];11(1). Available from: https://mrmjournal.org/index.php/mrm/article/view/268