@misc{indiciaea2f72849f81b,
  title = {[Falope-ring: a laparoscopic sterilization. Technical handling, action and experiences].},
  author = {J A Balmer and C Bogdan and A Liechti and J Kamber},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/143657/},
  note = {Source identifier: 143657}
}