The eyelid levator muscle: servant of two masters.

@article{May2002TheEL,
  title={The eyelid levator muscle: servant of two masters.},
  author={Paul J May and Robert K. Baker and Bingzhong Chen},
  journal={Movement disorders : official journal of the Movement Disorder Society},
  year={2002},
  volume={17 Suppl 2},
  pages={S4-7}
}