Preoperative pregnancy testing: "justice and testing for all".

@article{Twersky1996PreoperativePT,
  title={Preoperative pregnancy testing: "justice and testing for all".},
  author={Rebecca S Twersky and Geoff Singleton},
  journal={Anesthesia and analgesia},
  year={1996},
  volume={83 2},
  pages={438-9}
}