@misc{indiciae6e4e304db5f9,
  title = {Karl Popper.},
  author = {T M Allan},
  year = {1973},
  doi = {10.1016/s0140-6736(73)92459-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/4125420/},
  note = {Source identifier: 4125420}
}