@misc{indiciae364903994298,
  title = {Clinical primary pulmonary hypertension: three pathologic types.},
  author = {W D Edwards and J E Edwards},
  year = {1977},
  doi = {10.1161/01.cir.56.5.884},
  url = {https://pubmed.ncbi.nlm.nih.gov/912851/},
  note = {Source identifier: 912851}
}