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Schifitto, G., J H. Friedman, D. Oakes, L. Shulman, C L. Comella, K. Marek, και S. Fahn. Fatigue in Levodopa-naïve Subjects With Parkinson Disease. American Academy of Neurology, 2008.

Schifitto, G., et al. Fatigue in Levodopa-naïve Subjects With Parkinson Disease. American Academy of Neurology, 2008.