@misc{indiciae8643dee543e7,
  title = {[Gallbladder surgery in old age].},
  author = {U Heim and R Lanz and A Nussbaumer and M A Peter and O Ramser},
  year = {1970},
  url = {https://pubmed.ncbi.nlm.nih.gov/5519007/},
  note = {Source identifier: 5519007}
}