@misc{indiciaecef602035faf,
  title = {[Intestinal obstruction caused by biliary calculi].},
  author = {B D Savchuk and A S Tarasova},
  year = {1970},
  url = {https://pubmed.ncbi.nlm.nih.gov/5451771/},
  note = {Source identifier: 5451771}
}