@misc{indiciae0c47fd7a3cca,
  title = {The lumbar extradural structure changes with increasing age.},
  author = {T Igarashi and Y Hirabayashi and R Shimizu and K Saitoh and H Fukuda and H Mitsuhata},
  year = {1997},
  doi = {10.1093/bja/78.2.149},
  url = {https://pubmed.ncbi.nlm.nih.gov/9068330/},
  note = {Source identifier: 9068330}
}