00735nas a2200253   4500000000100000000000100001000000100002008004100003653001100044653001000055653002600065653003000091653002400121653006700145653001900212100001700231700001500248700001300263245015600276250001500432300001300447490000700460020001400467       2023                            d10aHumans10aAdult10aRetrospective Studies10aElectronic Health Records10aDisease Progression10a*Pulmonary Disease, Chronic Obstructive/diagnosis/epidemiology10a*Heart Failure1 aH. Whittaker1 aK. Rothnie1 aJ. Quint00aExploring the impact of varying definitions of exacerbations of chronic obstructive pulmonary disease in routinely collected electronic medical records  a2023/11/01  ae02928760 v18  a1932-6203