Opportunities to diagnose chronic obstructive pulmonary disease in routine care in the UK: a retrospective study of a clinical cohort

Jones R, Price D, Ryan D, Sims E, von Ziegenweidt J, Mascarenhas L, Burden A, Halpin D, Winter R, Hill S, Kearney M, Holton K, Moger A, Freeman D, Chisholm A, Bateman E