@misc{indiciae8960ee8b1db4,
  title = {Occult-blood screening.},
  author = {R Gnauck},
  year = {1986},
  doi = {10.1016/s0140-6736(86)92401-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/2868362/},
  note = {Source identifier: 2868362}
}