@misc{indiciae32131b647a9c,
  title = {A vesical calculus containing methylene blue.},
  author = {G A MISSEN},
  year = {1960},
  doi = {10.1002/bjs.18004720509},
  url = {https://pubmed.ncbi.nlm.nih.gov/14422938/},
  note = {Source identifier: 14422938}
}