@misc{indiciae3596fa9ac2d5,
  title = {Changes in biological source material.},
  author = {J S Robertson},
  year = {2005},
  doi = {10.1016/j.biologicals.2005.08.015},
  url = {https://pubmed.ncbi.nlm.nih.gov/16330224/},
  note = {Source identifier: 16330224}
}