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Relation of CSF-S100B and CSF-glial fibrillary acidic protein (GFAP) levels with the intervals between relapse onset and lumbar puncture in neuromyelitis optica spectrum disorder (NMOSD) patients. The CSF-S100B (a) or CSF-GFAP (b) levels were both significantly related to the intervals between attack onsets and lumbar punctures. Statistical testing was performed by using Spearman's rank correlation analysis. r = Spearman's rho.
