@misc{indiciae2d1d59ace306,
  title = {Athletic echoes.},
  author = {N H Silverman and C L Roge},
  year = {1977},
  doi = {10.1161/01.cir.56.3.500},
  url = {https://pubmed.ncbi.nlm.nih.gov/884810/},
  note = {Source identifier: 884810}
}