Toshitaka Sakai, Shota Nagai, Kazutaka Takao, Hiroyuki Tsuchiyama, Kiyonobu Ikeda. Effect of intramuscular lidocaine injection with physical therapy on camptocormia in patients with Parkinson's disease who had previously had deep brain stimulation. Journal of physical therapy science. 2023. 35. 1. 66-69