Adjuncts for sputum clearance in COPD: clinical consensus versus actual use
Crossref DOI link: https://doi.org/10.1136/bmjresp-2017-000226
Published Online: 2017-07-29
Published Print: 2017-07
Update policy: https://doi.org/10.1136/crossmarkpolicy
Barker, Ruth
Laverty, Anthony A
Hopkinson, Nicholas S https://orcid.org/0000-0003-3235-0454
