@misc{indiciae69862deca281,
  title = {A 12-lead patient cable for electrocardiographic exercise testing.},
  author = {I M Grais and D E Campbell and R J Adolph},
  year = {1974},
  doi = {10.1016/0002-8703(74)90042-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/4809772/},
  note = {Source identifier: 4809772}
}