@misc{indiciae625db29e344d,
  title = {Identification of Two Subsets.},
  author = {E Pitcher},
  year = {1939},
  doi = {10.1073/pnas.25.8.435},
  url = {https://pubmed.ncbi.nlm.nih.gov/16577930/},
  note = {Source identifier: 16577930}
}