Validation of chronic obstructive pulmonary disease recording in the Clinical Practice Research Datalink (CPRD-GOLD).

JK Quint, H Müllerova, RL DiSantostefano, H Forbes, S Eaton, JR Hurst, K Davis, L Smeeth

Research output: Contribution to journalArticle (Academic Journal)peer-review

Original languageEnglish
JournalBMJ Open
DOIs
Publication statusPublished - Jul 2014

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