@misc{indiciae6b30c525477b,
  title = {Operating experience with the type VEKS-4 vectorcardiograph.},
  author = {A V Kozlov and F I Makhortov},
  doi = {10.1007/bf00561692},
  url = {https://pubmed.ncbi.nlm.nih.gov/4746662/},
  note = {Source identifier: 4746662}
}