@misc{indiciae7802d5b16bd5,
  title = {Thumping the precordium.},
  author = {H Baderman and N R Robertson},
  year = {1965},
  doi = {10.1016/s0140-6736(65)92307-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4165420/},
  note = {Source identifier: 4165420}
}