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Tan EK, Lo YL, Thomas J, Chan LL.Tan EK, et al.CMAJ. 2007 Jun 5;176(12):1702-3. doi: 10.1503/cmaj.060910.CMAJ. 2007.PMID: 17548382Free PMC article.No abstract available.
Seah AB, Chan LL, Wong MC, Tan EK.Seah AB, et al. Among authors: tan ek.Parkinsonism Relat Disord. 2002 Dec;9(2):117-9. doi: 10.1016/s1353-8020(02)00002-0.Parkinsonism Relat Disord. 2002.PMID: 12473403