https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6422419/
Choosing the right inhaler for your asthma or COPD patient - PMC
Mar 14, 2019 ... The Respimat® Soft Mist™ inhaler (Boehringer Ingelheim Pharma), so far the only commercially available SMI for asthma and COPD, was developed ...