@misc{indiciae49b88ed6ea56,
  title = {Trace elements in biliary calculi.},
  author = {S U Rajgopal and V B Kartha and G E Prasad and S K Mathur},
  year = {1988},
  url = {https://pubmed.ncbi.nlm.nih.gov/3338822/},
  note = {Source identifier: 3338822}
}