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Levine CB, Fahrbach KR, Siderowf AD, et al. Diagnosis and Treatment of Parkinson's Disease: A Systematic Review of the Literature. Rockville (MD): Agency for Healthcare Research and Quality (US); 2003 Jun. (Evidence Reports/Technology Assessments, No. 57.)
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Diagnosis and Treatment of Parkinson's Disease: A Systematic Review of the Literature.
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