@misc{indiciaeb245671437e7,
  title = {Mechanical small bowel obstruction.},
  author = {B Levin},
  year = {1973},
  doi = {10.1016/0037-198x(73)90135-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/4723686/},
  note = {Source identifier: 4723686}
}