COPD: the patient perspective.
Int J Chron Obstruct Pulmon Dis. 2016 Feb 19;11 Spec Iss(Spec Iss):13-20. doi: 10.2147/COPD.S85977. eCollection 2016.
Int J Chron Obstruct Pulmon Dis. 2016.
PMID: 26937186
Free PMC article.
Review.