@misc{indiciaecb3d9d20bb7e,
  title = {Racial differences in sacral structure important in caudal anesthesia.},
  author = {A Norenberg and D C Johanson and J S Gravenstein},
  year = {1979},
  doi = {10.1097/00000542-197906000-00019},
  url = {https://pubmed.ncbi.nlm.nih.gov/453583/},
  note = {Source identifier: 453583}
}