Cerebral blood flow changes induced by p
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Benedicte Ballanger; Andres M. Lozano; Elena Moro; Thilo van Eimeren; Clement Ha
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Article
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2009
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John Wiley and Sons
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English
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## Abstract Patients with advanced Parkinson's disease (PD) develop disabling axial symptoms, including gait disturbances, freezing and postural instability poorly responsive to levodopa replacement therapy. The pedunculopontine nucleus (PPN) is involved in locomotion, control of posture, and behav