@misc{indiciae8f814f3f0ae0,
  title = {An approach to electron microscopy.},
  author = {A W HASLETT},
  year = {1949},
  doi = {10.1136/bmj.2.4639.1286},
  url = {https://pubmed.ncbi.nlm.nih.gov/15407306/},
  note = {Source identifier: 15407306}
}