@misc{indiciaefa69ecb50a37,
  title = {Challenge: regulatory requirements.},
  author = {Richard A Ridge},
  year = {2006},
  doi = {10.1097/00006247-200603000-00013},
  url = {https://pubmed.ncbi.nlm.nih.gov/16518187/},
  note = {Source identifier: 16518187}
}