@misc{indiciaea7a5306607ee,
  title = {Unexplained pulmonary hypertension.},
  author = {A P Fishman},
  year = {1982},
  doi = {10.1161/01.cir.65.4.651},
  url = {https://pubmed.ncbi.nlm.nih.gov/7060242/},
  note = {Source identifier: 7060242}
}