@misc{indiciaea17cc7533318,
  title = {Persistent right umbilical vein.},
  author = {G Theander and S Karlsson},
  year = {1978},
  doi = {10.1177/028418517801901b13},
  url = {https://pubmed.ncbi.nlm.nih.gov/654952/},
  note = {Source identifier: 654952}
}