@misc{indiciaee16d452aedcc,
  title = {Recurrent enteric gallstone obstruction.},
  author = {B Levin and R A Shapiro},
  year = {1980},
  doi = {10.1007/bf01888620},
  url = {https://pubmed.ncbi.nlm.nih.gov/7380157/},
  note = {Source identifier: 7380157}
}