@misc{indiciaec63df3a11857,
  title = {Pressure changes in varicose veins.},
  author = {A Martin and W Odling-Smee},
  year = {1976},
  doi = {10.1016/s0140-6736(76)91609-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/56587/},
  note = {Source identifier: 56587}
}