@misc{indiciae9e6014362a12,
  title = {Hydrostatically balanced gradient-formers: programming of gradients.},
  author = {A G Clark and J W Gellen},
  year = {1980},
  doi = {10.1016/0003-2697(80)90242-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/7377549/},
  note = {Source identifier: 7377549}
}