@misc{indiciae63f88cfe6259,
  title = {Obstructing prostatic urethral calculi.},
  author = {R K Vinson and S A Koff},
  year = {1976},
  doi = {10.1111/j.1464-410x.1976.tb06688.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/1009333/},
  note = {Source identifier: 1009333}
}