@misc{indiciae07a44644fe9b,
  title = {[Recurrent gallstone ileus].},
  author = {D Büttner},
  year = {1969},
  doi = {10.1007/bf01239604},
  url = {https://pubmed.ncbi.nlm.nih.gov/5354482/},
  note = {Source identifier: 5354482}
}