Linking e-health records, patient-reported symptoms and environmental exposure data to characterise and model COPD exacerbations: protocol for the COPE study

Elizabeth Moore, Lia Chatzidiakou, Roderic L Jones, Liam Smeeth, Sean Beevers, Frank J Kelly, Jennifer K Quint, Benjamin Barratt
2016 BMJ Open  
doi:10.1136/bmjopen-2016-011330 pmid:27412104 pmcid:PMC4947745 fatcat:czi3bldk2rc6ddn7rwk4lrzloa