@misc{indiciae621d64d253fe,
  title = {Pseudopersistent urachus in a baby walrus.},
  author = {L H Cornell and B J Golden and K G Osborn},
  year = {1975},
  url = {https://pubmed.ncbi.nlm.nih.gov/1176342/},
  note = {Source identifier: 1176342}
}