@misc{indiciaee405c0c782b2,
  title = {The straining forces of bowel function.},
  author = {A HALPERN and N SHAFTEL and D SELMAN and H E SHAFTEL and P H KUHN and S S SAMUELS and H G BIRCH},
  year = {1960},
  doi = {10.1177/000331976001100510},
  url = {https://pubmed.ncbi.nlm.nih.gov/13710904/},
  note = {Source identifier: 13710904}
}