@misc{indiciae28f56c502287,
  title = {Subxiphoid echocardiography.},
  author = {S Chang and H Feigenbaum and J Dillon},
  year = {1975},
  doi = {10.1378/chest.68.2.233},
  url = {https://pubmed.ncbi.nlm.nih.gov/1149553/},
  note = {Source identifier: 1149553}
}