@misc{indiciaea18f07c67b2f,
  title = {Botulinum toxins. Introduction.},
  author = {A W Klein},
  year = {2001},
  doi = {10.1053/sder.2001.25961},
  url = {https://pubmed.ncbi.nlm.nih.gov/11474746/},
  note = {Source identifier: 11474746}
}