@article{368d23ffb1674ce5982b5c41a8c1bd4d,
title = "Validity and completeness of rheumatoid arthritis diagnoses in the nationwide DANBIO clinical register and the Danish National Patient Registry",
author = "Ibfelt, \{Else Helene\} and Jan S{\o}rensen and Jensen, \{Dorte V.\} and Lene Dreyer and Berit Schi{\o}ttz-Christensen and Thygesen, \{Pia H.\} and Ada Colic and Ravn, \{Johnny L.\} and Natalia Manilo and Anne R{\o}dgaard and Poulsen, \{Uta E.\} and Claus Rasmussen and Torben Hansen and Babara Unger and Randi Pelck and Anita Kincses and Henrik Nordin and Tove Lorenzen and Ali Theibich and Hansen, \{Inger Marie Jensen\} and Jakob Espesen and Jolanta Grydeh{\o} and Mette Holland-Fischer and Loft, \{Anne Gitte\} and Hetland, \{Merete Lund\}",
year = "2017",
doi = "10.2147/CLEP.S141438",
language = "English",
volume = "9",
pages = "627--632",
journal = "Clinical Epidemiology",
issn = "1179-1349",
publisher = "Dove Medical Press Ltd.",
}