@misc{indiciae4c435655c0aa,
  title = {[Gallstone ileus. 22 cases].},
  author = {G R Artusi and J C Etchebarne and A R Artusi},
  year = {1969},
  url = {https://pubmed.ncbi.nlm.nih.gov/5381691/},
  note = {Source identifier: 5381691}
}