@misc{indiciaeb6147e5f489c,
  title = {Primary pulmonary hypertension.},
  author = {L J Rubin},
  year = {1993},
  doi = {10.1378/chest.104.1.236},
  url = {https://pubmed.ncbi.nlm.nih.gov/8325077/},
  note = {Source identifier: 8325077}
}