IgA.CSF/IgA.serum:RelRto:Pt:Ser+CSF:Qn
iga.csf/iga.serum:relrto:pt:ser+csf:qn
immunoglobulin A.CSF/immunoglobulin A.serum:Relative Ratio:To identify measures at a point in time:Serum+Cerebral spinal fluid:Quantitative
immunoglobulin a.csf/immunoglobulin a.serum:relative ratio:to identify measures at a point in time:serum+cerebral spinal fluid:quantitative