RT Journal Article SR Electronic T1 The Effect of HLA-B27 on Susceptibility and Severity of COVID-19 JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 621 OP 622 DO 10.3899/jrheum.200939 VO 48 IS 4 A1 James T. Rosenbaum A1 Hedley Hamilton A1 Michael H. Weisman A1 John D. Reveille A1 Kevin L. Winthrop A1 Dongseok Choi YR 2021 UL http://www.jrheum.org/content/48/4/621.abstract AB