Frequent sputum production is associated with disturbed night’s rest and impaired sleep quality in patients with COPD
Crossref DOI link: https://doi.org/10.1007/s11325-014-1111-9
Published Online: 2015-03-04
Published Print: 2015-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Hartman, J. E.
Prinzen, J.
van Lummel, R. C.
ten Hacken, N. H. T.
License valid from 2015-03-04