RT Journal Article SR Electronic T1 How to validate a diagnosis recorded in electronic health records JF Breathe JO Breathe FD European Respiratory Society SP 64 OP 68 DO 10.1183/20734735.0344-2018 VO 15 IS 1 A1 Francis Nissen A1 Jennifer K. Quint A1 Daniel R. Morales A1 Ian J. Douglas YR 2019 UL http://breathe.ersjournals.com/content/15/1/64.abstract AB