@misc{indiciae6496d537b436,
  title = {Thump pacing and thump version.},
  author = {K A Zürcher},
  year = {1972},
  doi = {10.1016/s0140-6736(72)90706-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/4108999/},
  note = {Source identifier: 4108999}
}