3 ms·
Similar devices have seen clinical application for many years. Current devices of respiratory physiotherapy https://www.ncbi.nlm.nih.gov/pmc/articles/PMC25800
by morninglight 4y ago
Similar devices have seen clinical application for many years.
Current devices of respiratory physiotherapy
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2580042/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2580042/