@misc{indiciaea6d84b50aaf9,
  title = {Why are we waiting?},
  author = {D J Gray},
  year = {1973},
  doi = {10.1016/s0140-6736(73)92454-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/4125414/},
  note = {Source identifier: 4125414}
}