@misc{indiciaed4a60ac08089,
  title = {Electrocardiographic changes during microlaryngoscopy under halothane anaesthesia.},
  author = {L Saarnivaara and E Kentala and S Lauerma and V P Savolainen},
  year = {1974},
  doi = {10.1111/j.1399-6576.1974.tb01177.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4451017/},
  note = {Source identifier: 4451017}
}