@misc{indiciaef2b51c28b2d5,
  title = {Wetting agents for biological electron microscopy. I. General considerations and negative staining.},
  author = {D W Gregory and B J Pirie},
  year = {1973},
  doi = {10.1111/j.1365-2818.1973.tb04625.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4131339/},
  note = {Source identifier: 4131339}
}