paired serum and cerebrospinal fluid ( csf ) specimens from 13 patients with systemic lupus erythematosus ( sle ) and central nervous system involvement ( cns-sle ) were studied for csf igm , iga , and igg indexes ( indicators of intrathecal immunoglobulin synthesis ) and csf-serum albumin quotient ( q albumin ) ( an indicator of blood-brain-barrier function ) .
C0036773
serum albumin
C0001924
albumin