@misc{indiciaecd2d34a02fee,
  title = {[Epidemiological study using computerized data bases. I. The nature of veterinary observation studies].},
  author = {M V Thrusfield},
  year = {1986},
  url = {https://pubmed.ncbi.nlm.nih.gov/3705048/},
  note = {Source identifier: 3705048}
}