RT Journal Article SR Electronic T1 Correspondence on “New EULAR/ACR 2019 SLE classification criteria: defining ominosity in SLE” by Whittall Garcia et al JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP annrheumdis-2021-220994 DO 10.1136/annrheumdis-2021-220994 A1 Guillermo J Pons-Estel A1 Manuel F. Ugarte-Gil A1 Guillermina B Harvey A1 Bernardo A Pons-Estel A1 Graciela S Alarcón YR 2021 UL http://ard.bmj.com/content/early/2021/08/02/annrheumdis-2021-220994.abstract AB