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Kondo T, Mizuno Y (2015). "A long-term study of istradefylline safety and efficacy in patients with Parkinson disease". Clinical Neuropharmacology. 38 (2): 41–46. doi:10.1097/WNF.0000000000000073. PMID25768849. S2CID7309419.
Kondo T, Mizuno Y (2015). "A long-term study of istradefylline safety and efficacy in patients with Parkinson disease". Clinical Neuropharmacology. 38 (2): 41–46. doi:10.1097/WNF.0000000000000073. PMID25768849. S2CID7309419.