2Scott GS, Hooper DC. The role of uric acid in protection against peroxynitrite-mediated pathology. Med Hypotheses 2001; 56:95-100.
3Hooper DC, Bagasra O, Marini JC, et al. Prevention of experimental allergic encephalo-myelitis by targeting nitric oxide and peroxynitrite: implications for the treatment of multiple sclerosis. Proc Natl Acad Sci USA 1997; 94: 2528-33.
4Toncev G, Milicic B, Toncev S, et al. Serum uric acid levels in multiple sclerosis patients correlate with activity of disease and blood-brain barrier dysfunction. Eur ] Neurol 2002, 9:221-6.
5Rentzos M, Nikolaou C, Anagnostouli M, et al. Serum uric acid and multiple sclerosis. Clin Neurol Neurosurg 2006; 108:527-31.
6Knapp CM, Constantinescu CS, Tan JH, et al. Serum uric acid levels in optic neuritis. Mult Scler 2004; 10:278-80.
7Peng F, Zhang B, Zhong X, et al. Serum uric acid levels of patients with multiple sclerosis and other neurological diseases. Mult Scler 2008; 14:188-96.
8Mostert JP, Ramsaransing GSM, Heersema DJ, et al. Serum uric acid levels and leukocyte nitric oxide production in multiple sclerosis patients outside relapses. J Neurol Sci 2005; 231:41-4.
9Kurtzke JF. Rating neurologic impairment in multiple sclerosis: an expanded disability status scale (EDSS). Neurology 1983; 33:1444-52.
10Polman CH, Reingold SC, Edan G, et al. Diagnostic criteria for multiple sclerosis: 2005 revisions to the "McDonald Criteria". Ann Neurol 2005; 58:840-6.