@misc{indiciae786713329624,
  title = {A maturation factor in spontaneous alteration.},
  author = {R J Kirkby},
  year = {1967},
  doi = {10.1038/215784a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/6059563/},
  note = {Source identifier: 6059563}
}