PT - JOURNAL ARTICLE AU - Martin Aringer AU - Karen Costenbader AU - Thomas Dörner AU - Sindhu R Johnson TI - Response to: ‘New 2019 SLE EULAR/ACR classification criteria are valid for identifying patients with SLE among patients admitted for pericardial effusion’ by Sacre <em>et al</em> AID - 10.1136/annrheumdis-2019-216803 DP - 2021 Dec 01 TA - Annals of the Rheumatic Diseases PG - e191--e191 VI - 80 IP - 12 4099 - http://ard.bmj.com/content/80/12/e191.short 4100 - http://ard.bmj.com/content/80/12/e191.full SO - Ann Rheum Dis2021 Dec 01; 80