@misc{indiciae1ae9a0c5c77d,
  title = {VALVULAR DEFECT IN PRIMARY VARICOSE VEINS: CAUSE OR EFFECT?},
  author = {J LUDBROOK},
  year = {1963},
  doi = {10.1016/s0140-6736(63)90844-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/14071921/},
  note = {Source identifier: 14071921}
}