@misc{indiciaeec718d8edf64,
  title = {Rapid, preparative, density-gradient electrophoresis.},
  author = {G L CHOULES and R BALLENTINE},
  year = {1961},
  doi = {10.1016/0003-2697(61)90040-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/13693303/},
  note = {Source identifier: 13693303}
}