PT - JOURNAL ARTICLE AU - Marcia A Friedman AU - Kevin L Winthrop TI - Second COVID-19 infection in a patient with granulomatosis with polyangiitis on rituximab AID - 10.1136/annrheumdis-2021-220088 DP - 2021 Aug 01 TA - Annals of the Rheumatic Diseases PG - 1102--1104 VI - 80 IP - 8 4099 - http://ard.bmj.com/content/80/8/1102.short 4100 - http://ard.bmj.com/content/80/8/1102.full SO - Ann Rheum Dis2021 Aug 01; 80