[Usefulness of esophageal derivation in monitoring the perioperative electrocardiogram].

@article{Mas1990UsefulnessOE,
  title={[Usefulness of esophageal derivation in monitoring the perioperative electrocardiogram].},
  author={J Jaume Mas and C Raduan Ripoll},
  journal={Revista espanola de anestesiologia y reanimacion},
  year={1990},
  volume={37 3},
  pages={185}
}