@misc{indiciae65118ac6b17f,
  title = {Painless chronic sigmoid volvulus.},
  author = {C N Verheyden and A D Newcomer and R W Beart},
  year = {1978},
  url = {https://pubmed.ncbi.nlm.nih.gov/660894/},
  note = {Source identifier: 660894}
}