%0 Journal Article %T Recruitment of patients with Chronic Obstructive Pulmonary Disease (COPD) from the Clinical Practice Research Datalink (CPRD) for research %A Adam Lewis %A Benjamin Barratt %A Elisabeth Moore %A Frank Kelly %A Jennifer K. Quint %A Kirin Sultana %A Lia Chatzidiakou %A Liam Smeeth %A Maimoona Hashmi %A Mark Wright %A Roderic Jones %A Sean Beevers %A Sefki Kolozali %J Archive of "NPJ Primary Care Respiratory Medicine". %D 2018 %R 10.1038/s41533-018-0089-3 %X COPE study patient eligibility flo %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6008416/