RT Journal Article SR Electronic T1 Flares of mixed cryoglobulinaemia vasculitis after vaccination against SARS-CoV-2 JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP annrheumdis-2021-221248 DO 10.1136/annrheumdis-2021-221248 A1 Marcella Visentini A1 Laura Gragnani A1 Stefano Angelo Santini A1 Teresa Urraro A1 Annalisa Villa A1 Monica Monti A1 Andrea Palladino A1 Luisa Petraccia A1 Francesca La Gualana A1 Serena Lorini A1 Silvia Marri A1 Francesco Madia A1 Lucia Stefanini A1 Stefania Basili A1 Massimo Fiorilli A1 Clodoveo Ferri A1 Anna Linda Zignego A1 Milvia Casato YR 2021 UL http://ard.bmj.com/content/early/2021/11/23/annrheumdis-2021-221248.abstract AB