@misc{indiciae94a59d04630e,
  title = {Factors affecting changes in the neonatal systemic circulation.},
  author = {M A Heymann and H S Iwamoto and A M Rudolph},
  year = {1981},
  doi = {10.1146/annurev.ph.43.030181.002103},
  url = {https://pubmed.ncbi.nlm.nih.gov/7011191/},
  note = {Source identifier: 7011191}
}