Takahashi M, Shimokawa T, Koh J, Takeshima T, Yamashita H, Kajimoto Y, et al. J Neurol Sci. 2022;432:120078.
Takahashi M, Shimokawa T, Koh J, Takeshima T, Yamashita H, Kajimoto Y, et al. Efficacy and safety of istradefylline in patients with Parkinson's disease presenting with postural abnormalities: Results from a multicenter, prospective, and open-label exploratory study in Japan. J Neurol Sci. 2022;432:120078. https://www.ncbi.nlm.nih.gov/pubmed/34923334 2021/12/20