Hemiballism following surgery for Parkinson's disease. A clinicoanatomical study of a case.

@article{Dierssen1961HemiballismFS,
  title={Hemiballism following surgery for Parkinson's disease. A clinicoanatomical study of a case.},
  author={G. Dierssen and Lothar Bergmann and G G Gioino and I S Cooper},
  journal={Archives of neurology},
  year={1961},
  volume={5},
  pages={627-37}
}