@misc{indiciae83978d2116ed,
  title = {Non-opaque vesical calculus. A case report.},
  author = {K BERY and S GUPTA},
  year = {1962},
  doi = {10.1007/bf02896754},
  url = {https://pubmed.ncbi.nlm.nih.gov/13967733/},
  note = {Source identifier: 13967733}
}