@misc{indiciae3e987e72de68,
  title = {[Repeated surgery for biliary calculi].},
  author = {V Balas and L Junger and M Krsnáková and M Mikulenková and O Blazek},
  year = {1970},
  url = {https://pubmed.ncbi.nlm.nih.gov/5440141/},
  note = {Source identifier: 5440141}
}