%0 Journal Article %A Maarten Boers %T Observational studies on glucocorticoids are harmful! %D 2017 %R 10.1136/lupus-2017-000219 %J Lupus Science & Medicine %P e000219 %V 4 %N 1 %U https://lupus.bmj.com/content/lupusscimed/4/1/e000219.full.pdf