@misc{indiciae60b15ca31266,
  title = {Primary pulmonary hypertension.},
  author = {S G Haworth},
  year = {1983},
  doi = {10.1136/hrt.49.6.517},
  url = {https://pubmed.ncbi.nlm.nih.gov/6342634/},
  note = {Source identifier: 6342634}
}