@misc{indiciaec4de8658c7d6,
  title = {Cardioscopy, simple and practical.},
  author = {H E BOLTON and C P BAILEY and J COSTASDURIEUX and W GEMEINHARDT},
  year = {1954},
  url = {https://pubmed.ncbi.nlm.nih.gov/13152837/},
  note = {Source identifier: 13152837}
}