@misc{indiciaeada4e205cb1d,
  title = {Registries keep track in Spain.},
  author = {C Vanchieri},
  year = {1993},
  doi = {10.1093/jnci/85.9.698},
  url = {https://pubmed.ncbi.nlm.nih.gov/8478953/},
  note = {Source identifier: 8478953}
}