@misc{indiciae12aabb64ff4d,
  title = {Shells and sore feet},
  author = {R Silva},
  year = {1999},
  doi = {10.1136/bmj.319.7206.391a},
  url = {https://pubmed.ncbi.nlm.nih.gov/10435989/},
  note = {Source identifier: 10435989}
}