@misc{indiciaefe1968f7fb30,
  title = {[Choledochal involvement in cholelithiasis].},
  author = {C Pera Madrazo and C Pera Jiménez},
  year = {1972},
  url = {https://pubmed.ncbi.nlm.nih.gov/4637761/},
  note = {Source identifier: 4637761}
}