@misc{indiciae82149e7d7bc7,
  title = {Primary pulmonary hypertension.},
  author = {S Rich},
  doi = {10.1016/0033-0620(88)90016-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/3055067/},
  note = {Source identifier: 3055067}
}