@misc{indiciae0233db3c8ff3,
  title = {A simple device for fractionating density gradients.},
  author = {K B Tan},
  year = {1972},
  doi = {10.1016/0003-2697(72)90031-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/5009292/},
  note = {Source identifier: 5009292}
}