@misc{indiciae8daaa5dd11e5,
  title = {Cullen's sign. A case report.},
  author = {J B Nichols},
  year = {1968},
  doi = {10.1111/j.1471-0528.1968.tb02906.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5726934/},
  note = {Source identifier: 5726934}
}