@misc{indiciae3ec368182a27,
  title = {Adjustable rack and shield for a phase microscope.},
  author = {R W CHRISTIE},
  year = {1961},
  doi = {10.1093/ajcp/36.3.262},
  url = {https://pubmed.ncbi.nlm.nih.gov/13693421/},
  note = {Source identifier: 13693421}
}