@misc{indiciae19b8b89875dd,
  title = {Abdominal and thoracic pressures during defecation.},
  year = {1979},
  doi = {10.1136/bmj.1.6159.344},
  url = {https://pubmed.ncbi.nlm.nih.gov/421112/},
  note = {Source identifier: 421112}
}