@misc{indiciae643667910467,
  title = {Case 4. Umbilical endometriosis.},
  author = {P Rubegni and P Sbano and R Santopietro and M Fimiani},
  year = {2003},
  doi = {10.1046/j.1365-2230.2003.01354.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/12950365/},
  note = {Source identifier: 12950365}
}