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. 2019 Apr 15;14(4):e0215410. doi: 10.1371/journal.pone.0215410

Fig 3. Literature search criteria.

Fig 3

1 limited to 1st September 2018 2 Studies were eligible when NINDC, SC, SAS or healthy subjects (Teunissen et al. Mult Scler. 2013 Nov;19(13):1802–9) were part of study population. 3 Freedman et al. Arch Neurol. 2005 Jun;62(6):865–70; Andersson et al. J Neurol Neurosurg Psychiatry. 1994 Aug;57(8):897–902 n, number of items returned by PubMed search Abbreviations: CIS, clinically isolated syndrome; CSF, cerebrospinal fluid; IEF, isoelectric focusing; IgG, immunoglobulin G; IgM, immunoglobulin M; MS, multiple sclerosis; NINDC, non-inflammatory neurological disease controls; OCB, oligoclonal bands; SAS, spinal anesthesia subjects; SC, symptomatic controls.