RT Journal Article SR Electronic T1 How do we use biologics in rheumatoid arthritis patients with a history of malignancy? An assessment of treatment patterns using Scandinavian registers JF RMD Open JO RMD Open FD EULAR SP e001363 DO 10.1136/rmdopen-2020-001363 VO 6 IS 2 A1 Katerina Chatzidionysiou A1 Bénédicte Delcoigne A1 Thomas Frisell A1 Merete L Hetland A1 Bente Glintborg A1 lene dreyer A1 René Cordtz A1 Kristian Zobbe A1 Dan Nordström A1 Nina Trokovic A1 Kalle Aaltonen A1 Sella Aarrestad Provan A1 Gerdur Grondal A1 Bjorn Gudbjornsson A1 Johan Askling YR 2020 UL http://rmdopen.bmj.com/content/6/2/e001363.abstract AB