@misc{indiciaeee6dc385910a,
  title = {Echo and cardiomyopathy.},
  author = {J S Child},
  year = {1977},
  doi = {10.1161/01.cir.56.1.132},
  url = {https://pubmed.ncbi.nlm.nih.gov/862161/},
  note = {Source identifier: 862161}
}