RT Journal Article SR Electronic T1 Diagnostic Utility of Anticarbamylated Protein Antibodies as Measured Using Carbamylated Fetal Calf Serum JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 438 OP 439 DO 10.3899/jrheum.170677 VO 45 IS 3 A1 MICHAEL MAHLER A1 MARVIN J. FRITZLER YR 2018 UL http://www.jrheum.org/content/45/3/438.abstract AB