@misc{indiciae91532c38fc5c,
  title = {Rationale for spinal anesthesia.},
  author = {B G Covino},
  year = {1989},
  doi = {10.1097/00004311-198902710-00003},
  url = {https://pubmed.ncbi.nlm.nih.gov/2646234/},
  note = {Source identifier: 2646234}
}