RT Journal Article SR Electronic T1 Second COVID-19 infection in a patient with granulomatosis with polyangiitis on rituximab JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 1102 OP 1104 DO 10.1136/annrheumdis-2021-220088 VO 80 IS 8 A1 Friedman, Marcia A A1 Winthrop, Kevin L YR 2021 UL http://ard.bmj.com/content/80/8/1102.abstract AB