@misc{indiciae27c49a2b764d,
  title = {Automatic gastrointestinal suction.},
  author = {J M Old and D M Hancock and H B Parr-Burman},
  year = {1969},
  doi = {10.1016/s0140-6736(69)92394-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4182767/},
  note = {Source identifier: 4182767}
}