@misc{indiciaede3f1bd867ba,
  title = {Method of the cohort study--a practical example.},
  author = {B Järvholm and L Lillienberg and G Sällsten and G Thiringer},
  year = {1980},
  url = {https://pubmed.ncbi.nlm.nih.gov/6934086/},
  note = {Source identifier: 6934086}
}