@misc{indiciaeca22b517bcd5,
  title = {Comparison costs for Hemoccult tests.},
  author = {E L Bressler},
  year = {1986},
  doi = {10.2214/ajr.147.3.646-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/3488668/},
  note = {Source identifier: 3488668}
}