@misc{indiciae02cb1d844e19,
  title = {[SDS-system, a statistical data system for primary health services].},
  author = {E H Lehmann and K Olsen and T Molster},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/877935/},
  note = {Source identifier: 877935}
}