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Carvey PM, McRae A, Ptak LR, Kao LC, Lo ES, Goetz CG, Tanner CM, Penn RD, Klawans HL.Carvey PM, et al. Among authors: penn rd.Prog Brain Res. 1990;82:693-7. doi: 10.1016/s0079-6123(08)62661-8.Prog Brain Res. 1990.PMID: 2290972No abstract available.