@misc{indiciaeb4f04d94ddc4,
  title = {Instantaneous electrocardiography. A simple screening technique for cardiac exercise programs.},
  author = {B A Franklin and P S Reed and S Gordon and G C Timmis},
  year = {1989},
  doi = {10.1378/chest.96.1.174},
  url = {https://pubmed.ncbi.nlm.nih.gov/2736972/},
  note = {Source identifier: 2736972}
}