@misc{indiciae6b149319b092,
  title = {A modification for the Magill circuit.},
  author = {E Carden},
  year = {1973},
  doi = {10.1007/bf03026220},
  url = {https://pubmed.ncbi.nlm.nih.gov/4577957/},
  note = {Source identifier: 4577957}
}