@misc{indiciaef875ccab4f05,
  title = {A substance for aqueous density gradients.},
  author = {H HOLTER and K M MOLLER},
  year = {1958},
  doi = {10.1016/0014-4827(58)90116-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/13609645/},
  note = {Source identifier: 13609645}
}