Flares of autoimmune rheumatic disease following COVID-19 infection: Observations from the COVAD study - Sandhu, Nimrat Kaur; Ravichandran, Naveen; Nune, Arvind; Day, Jessica; Sen, Parikshit; Nikiphorou, Elena; Tan, Ai Lyn; Joshi, Mrudula; Saha, Sreoshy; Shinjo, Samuel Katsuyuki (INTERNATIONAL JOURNAL OF RHEUMATIC DISEASES, 2024)