RT Journal Article SR Electronic T1 Anti-HMGCR Autoantibodies in Juvenile Idiopathic Inflammatory Myopathies Identify a Rare but Clinically Important Subset of Patients JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 1417 OP 1417 DO 10.3899/jrheum.160871.C1 VO 44 IS 9 YR 2017 UL http://www.jrheum.org/content/44/9/1417.abstract AB