@misc{indiciaef965b69a2544,
  title = {[Umbilical endometriosis. 2 case reports].},
  author = {H Chelli and A Chechia and N Kchir},
  year = {1993},
  url = {https://pubmed.ncbi.nlm.nih.gov/8514992/},
  note = {Source identifier: 8514992}
}