RT Journal Article SR Electronic T1 The Soluble Isoform of CTLA-4 Correlates with Interferon-α Activity in Systemic Lupus Erythematosus JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 302 OP 304 DO 10.3899/jrheum.190678 VO 47 IS 2 A1 DAHAL, LEKH N. A1 BARKER, ROBERT N. A1 WARD, FRANK J. YR 2020 UL http://www.jrheum.org/content/47/2/302.abstract AB