@misc{indiciaecf17619dcac2,
  title = {[Laparoscopic sterilization with a silicone rubber ring (Falope-ring)].},
  author = {P Hansen and F V Kristiansen and J Gram-Hansen},
  year = {1980},
  url = {https://pubmed.ncbi.nlm.nih.gov/6445115/},
  note = {Source identifier: 6445115}
}