@misc{indiciaefa25c7f83a1f,
  title = {[Problems in epidemiological methods in occupational medicine].},
  author = {A Foldspang and S Mikkelsen and J Olsen and S Sabroe},
  year = {1979},
  url = {https://pubmed.ncbi.nlm.nih.gov/419612/},
  note = {Source identifier: 419612}
}