PT  - JOURNAL ARTICLE
AU  - Jane Kirkby
AU  - Raffaella Nenna
AU  - Aisling McGowan
TI  - Changes in FEV<sub>1</sub> over time in COPD and the importance of spirometry reference ranges: the devil is in the detail
AID  - 10.1183/20734735.0252-2019
DP  - 2019 Dec 01
TA  - Breathe
PG  - 337--339
VI  - 15
IP  - 4
4099  - http://breathe.ersjournals.com/content/15/4/337.short
4100  - http://breathe.ersjournals.com/content/15/4/337.full
SO  - Breathe2019 Dec 01; 15