@misc{indiciae7930aafca5cc,
  title = {Technic for marking skin injection sites.},
  author = {P Zukin},
  year = {1970},
  doi = {10.1056/nejm197006252822622},
  url = {https://pubmed.ncbi.nlm.nih.gov/5419311/},
  note = {Source identifier: 5419311}
}