@misc{indiciaec4405d0effc1,
  title = {Letter: Silicone foam sponge for pilonidal sinus.},
  author = {S C Sood},
  year = {1975},
  doi = {10.1136/bmj.4.5994.465},
  url = {https://pubmed.ncbi.nlm.nih.gov/1192135/},
  note = {Source identifier: 1192135}
}