@misc{indiciaec909cbf6d3d4,
  title = {[Invagination in adults].},
  author = {R A Carels and M G Ibelings and C K Jongsma and P J Wismans},
  year = {1997},
  url = {https://pubmed.ncbi.nlm.nih.gov/9550775/},
  note = {Source identifier: 9550775}
}