@misc{indiciaee8a255df0a14,
  title = {A versatile gradient-generating device.},
  author = {J Margolis},
  year = {1969},
  doi = {10.1016/0003-2697(69)90040-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/5773942/},
  note = {Source identifier: 5773942}
}