@misc{indiciae170b1c0ad9e0,
  title = {Subxiphoid pericardial windows--helpful in selected cases.},
  author = {J A Mayor-Davies and R S Britz},
  year = {1990},
  url = {https://pubmed.ncbi.nlm.nih.gov/2231808/},
  note = {Source identifier: 2231808}
}