@misc{indiciaecc734cf3701e,
  title = {Pigmented gut.},
  author = {P Grasso and R Abraham},
  year = {1968},
  doi = {10.1136/bmj.3.5609.58-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/5661923/},
  note = {Source identifier: 5661923}
}