@misc{indiciaeab84c0ff5dfd,
  title = {Fetal preejection period.},
  author = {P A Hawrylyshyn and A Bernstein and L W Organ},
  year = {1982},
  url = {https://pubmed.ncbi.nlm.nih.gov/7043346/},
  note = {Source identifier: 7043346}
}