@misc{indiciaef88a17b8b71d,
  title = {Lymphocyte populations: separation by discontinuous density gradient centrifugation.},
  author = {D T Yu and B J Peter and H E Paulus and H I Machleder},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4576506/},
  note = {Source identifier: 4576506}
}