@misc{indiciae89e2ff1802d4,
  title = {An improved sigmoidoscope.},
  author = {R TURELL},
  year = {1952},
  doi = {10.1001/jama.1952.72930260008009d},
  url = {https://pubmed.ncbi.nlm.nih.gov/14927465/},
  note = {Source identifier: 14927465}
}