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CSF xanthine, homovanillic acid, and their ratio as biomarkers of Parkinson's disease.
Brain Res. 2011 Aug 23;1408:88-97. doi: 10.1016/j.brainres.2011.06.057. Epub 2011 Jul 1.
Brain Res. 2011.
PMID: 21784416
Free PMC article.
Urate as a predictor of the rate of clinical decline in Parkinson disease.
Ascherio A, LeWitt PA, Xu K, Eberly S, Watts A, Matson WR, Marras C, Kieburtz K, Rudolph A, Bogdanov MB, Schwid SR, Tennis M, Tanner CM, Beal MF, Lang AE, Oakes D, Fahn S, Shoulson I, Schwarzschild MA; Parkinson Study Group DATATOP Investigators.
Ascherio A, et al.
Arch Neurol. 2009 Dec;66(12):1460-8. doi: 10.1001/archneurol.2009.247.
Arch Neurol. 2009.
PMID: 19822770
Free PMC article.
Clinical Trial.
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