@misc{indiciae1c32e005f10c,
  title = {Extraluminal bowel gas.},
  author = {L Kreel},
  year = {1988},
  doi = {10.1136/pgmj.64.747.50},
  url = {https://pubmed.ncbi.nlm.nih.gov/3138679/},
  note = {Source identifier: 3138679}
}