Intraoperative monitoring using the pulse volume recorder.

@article{Odonnell1977IntraoperativeMU,
  title={Intraoperative monitoring using the pulse volume recorder.},
  author={Thomas F O'donnell and J K Raines and R Clement Darling},
  journal={Surgery, gynecology & obstetrics},
  year={1977},
  volume={145 2},
  pages={252-4}
}