Original Research

Validity and completeness of rheumatoid arthritis diagnoses in the nationwide DANBIO clinical register and the Danish National Patient Registry

Ibfelt EH, Sørensen J, Jensen DV, Dreyer L, Schiøttz-Christensen B, Thygesen PH, Colic A, Raun JL, Manilo N, Rødgaard A, Poulsen UE, Rasmussen C, Hansen T, Unger B, Pelck R, Kincses A, Nordin H, Lorenzen T, Theibich A, Jensen Hansen IM, Espesen J, Grydehøj J, Holland-Fischer M, Loft AG, Hetland ML

Clinical Epidemiology 2017, 9:627-632

Published Date: 29 November 2017