@misc{indiciaea62facabd9f7,
  title = {The problem stoma.},
  author = {J T Helsper},
  year = {1974},
  doi = {10.1002/jso.2930060209},
  url = {https://pubmed.ncbi.nlm.nih.gov/4822899/},
  note = {Source identifier: 4822899}
}