@misc{indiciae0b6c2d889bf3,
  title = {What is a population-based registry?},
  author = {J Olsen and O Basso and H T Sørensen},
  year = {1999},
  url = {https://pubmed.ncbi.nlm.nih.gov/10847676/},
  note = {Source identifier: 10847676}
}