@misc{indiciaeb2a1be2b0f1d,
  title = {Congenital mitral stenosis.},
  author = {K G Khalil and I Shapiro and J W Kilman},
  year = {1975},
  url = {https://pubmed.ncbi.nlm.nih.gov/1152503/},
  note = {Source identifier: 1152503}
}