@misc{indiciae22313f2dd9d8,
  title = {Zonal centrifugation.},
  author = {D Freifelder},
  year = {1973},
  doi = {10.1016/s0076-6879(73)27010-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/4773283/},
  note = {Source identifier: 4773283}
}