@misc{indiciaedb31348ef653,
  title = {Pulmonary hypertension.},
  author = {J S Alpert and R S Irwin and J E Dalen},
  year = {1981},
  doi = {10.1016/0146-2806(81)90012-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/7018843/},
  note = {Source identifier: 7018843}
}