Effects of optimism/pessimism and locus of control on disability and quality of life in Parkinson's disease☆
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☆ Submission statement: This paper has not been published previously and it is not under consideration for publication elsewhere. If accepted, it will not be published elsewhere in the same form, in English or in any other language, without the written consent of the publisher.
PII: S1353-8020(09)00080-7
doi:10.1016/j.parkreldis.2009.03.005
© 2009 Elsevier Ltd. All rights reserved.
