@misc{indiciaed05ea84d8801,
  title = {Biomedical data resources: a limiting factor in analytic epidemiology.},
  author = {R A Tjalma and H L Braun},
  year = {1972},
  doi = {10.1289/ehp.720267},
  url = {https://pubmed.ncbi.nlm.nih.gov/4634413/},
  note = {Source identifier: 4634413}
}