@misc{indiciaefbf1709a5193,
  title = {Blood-flow in incompetent perforating veins.},
  author = {D Lawrence and P J Fish and V V Kakkar},
  year = {1977},
  doi = {10.1016/s0140-6736(77)91705-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/64651/},
  note = {Source identifier: 64651}
}