IgM.intrathecally synthesized/IgM.total:MFr:Pt:CSF:Qn
igm.intrathecally synthesized/igm.total:mfr:pt:csf:qn
IgM.intrathecally synthesized/Total IgM (CSF) [Mass fraction]
igm.intrathecally synthesized/total igm (csf) [mass fraction]