@misc{indiciae22171282554d,
  title = {Electron microscope studies on the intestine using ruthenium red.},
  author = {J O Gebbers and H F Otto},
  year = {1974},
  doi = {10.1007/bf00582801},
  url = {https://pubmed.ncbi.nlm.nih.gov/4132879/},
  note = {Source identifier: 4132879}
}