The impact of and the factors associated with drooling in Parkinson's disease☆
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☆ The review of this paper was entirely handled by an Associate Editor, Rober Rodnitzky.
PII: S1353-8020(09)00306-X
doi:10.1016/j.parkreldis.2009.12.003
© 2009 Elsevier Ltd. All rights reserved.
