Airway clearance techniques for patients with acute exacerbations of chronic obstructive pulmonary disease: Physical therapy practice in Sweden.
Chron Respir Dis. 2019 Jan-Dec;16:1479973119855868. doi: 10.1177/1479973119855868.
Chron Respir Dis. 2019.
PMID: 31220934
Free PMC article.