@misc{indiciae1684e34f27ed,
  title = {[Variable diameter trephine with interchangeable blades for corneal microsurgery (author's transl)].},
  author = {K Hanna and J Ganem},
  year = {1981},
  url = {https://pubmed.ncbi.nlm.nih.gov/7026653/},
  note = {Source identifier: 7026653}
}