@misc{indiciaec90dab440cfd,
  title = {[Yield from active case finding in high risk groups].},
  author = {R B Spanjaard and D C Bekkers and H A Van Geuns and K Styblo},
  year = {1978},
  url = {https://pubmed.ncbi.nlm.nih.gov/756307/},
  note = {Source identifier: 756307}
}