@misc{indiciaecb375a8ffa05,
  title = {Stool collection.},
  author = {R Mortimer},
  year = {1969},
  doi = {10.1136/bmj.3.5671.656},
  url = {https://pubmed.ncbi.nlm.nih.gov/5811692/},
  note = {Source identifier: 5811692}
}