RT Journal Article SR Electronic T1 Serum procalcitonin measurement for detection of intercurrent infection in febrile patients with SLE JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 988 OP 989 DO 10.1136/ard.60.10.988 VO 60 IS 10 A1 K C SHIN A1 Y J LEE A1 S W KANG A1 H J BAEK A1 E B LEE A1 H A KIM A1 Y W SONG YR 2001 UL http://ard.bmj.com/content/60/10/988.abstract AB