A polymorphic variation of serine to tyrosine at codon 18 in the ubiquitin C-terminal hydrolase-L1 gene is associated with a reduced risk of sporadic Parkinson's disease in a Japanese population.
J Neurol Sci. 2001 Aug 15;189(1-2):113-7. doi: 10.1016/s0022-510x(01)00555-x. J Neurol Sci. 2001. PMID: 11535241