@misc{indiciae4642f9ff2475,
  title = {Umbilical pilonidal sinus.},
  author = {N D Colapinto},
  year = {1977},
  doi = {10.1002/bjs.1800640712},
  url = {https://pubmed.ncbi.nlm.nih.gov/922309/},
  note = {Source identifier: 922309}
}