@misc{indiciaeb3c9161ae136,
  title = {Double tracking in the sigmoid colon.},
  author = {J T Ferrucci and B D Ragsdale and P J Barrett and A L Vickery and J R Dreyfuss},
  year = {1976},
  doi = {10.1148/120.2.307},
  url = {https://pubmed.ncbi.nlm.nih.gov/935479/},
  note = {Source identifier: 935479}
}