Failure of the pin index system on a Cape Waine ventilator.

@article{Macmillan1981FailureOT,
  title={Failure of the pin index system on a Cape Waine ventilator.},
  author={R. R. Macmillan and Mary Ann Marshall},
  journal={Anaesthesia},
  year={1981},
  volume={36 3},
  pages={334-5}
}