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. Author manuscript; available in PMC: 2015 Aug 1.
Published in final edited form as: Neurobiol Dis. 2014 Apr 21;68:156–166. doi: 10.1016/j.nbd.2014.04.004

Fig. 2.

Fig. 2

Temporal progression of the development of parkinsonism induced by MPTP injections, based on weekly evaluations. The solid black line shows the stage of parkinsonism. The cumulative dose of MPTP is shown as a gray line with open circles, where each circle corresponds to a single MPTP injection (0.2–0.6 mg/kg). The arrow indicates the start of levodopa testing (only done in monkeys B and C).