@misc{indiciaea1449640974d,
  title = {Use of passive function testing in venous insufficiency: a prospective study.},
  author = {T A van den Broek and C F Kuijper and J A Rauwerda and G L van Rij and H J Dijkstra},
  year = {1991},
  url = {https://pubmed.ncbi.nlm.nih.gov/1948656/},
  note = {Source identifier: 1948656}
}