@misc{indiciae9e1001acf1f3,
  title = {[Bronchial EKG leads].},
  author = {V N Fenin and S A Abbakumov and V I Makolkin},
  year = {1974},
  url = {https://pubmed.ncbi.nlm.nih.gov/4275814/},
  note = {Source identifier: 4275814}
}