@misc{indiciae1bdadd58d10e,
  title = {Fetal echocardiography.},
  author = {W J Zwiebel},
  year = {1993},
  doi = {10.1016/s0887-2171(05)80098-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/8217259/},
  note = {Source identifier: 8217259}
}