@misc{indiciaeef69a52a4929,
  title = {New interventional procedures: efficacy, safety and training.},
  author = {A G Johnson},
  year = {1998},
  doi = {10.1111/j.1445-2197.1998.tb04626.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/9440446/},
  note = {Source identifier: 9440446}
}