@misc{indiciae0a33c90297be,
  title = {Patent ductus arteriosus.},
  author = {A D Marks},
  year = {1972},
  doi = {10.1097/00000441-197202000-00006},
  url = {https://pubmed.ncbi.nlm.nih.gov/5017857/},
  note = {Source identifier: 5017857}
}