@misc{indiciae1ccd033e28c1,
  title = {Four layer discontinuous gradient for HIV.},
  author = {K Kakimoto and Y Ando and A Yoshioka},
  year = {2002},
  doi = {10.1136/sti.78.5.388},
  url = {https://pubmed.ncbi.nlm.nih.gov/12407253/},
  note = {Source identifier: 12407253}
}