@misc{indiciae723fe840af87,
  title = {[Umbilical vein].},
  author = {K L Wiechel and C Blanck and R Erwald and K Lindberg and O Marions},
  year = {1970},
  url = {https://pubmed.ncbi.nlm.nih.gov/5434158/},
  note = {Source identifier: 5434158}
}