@misc{indiciaea74d0ca29f96,
  title = {Concretions and methylene blue.},
  author = {M J Smith},
  year = {1972},
  doi = {10.1016/s0022-5347(17)60974-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/5061439/},
  note = {Source identifier: 5061439}
}