@misc{indiciaea0de53086026,
  title = {Responding to the challenge.},
  author = {W G Crook},
  year = {1969},
  doi = {10.1016/s0031-3955(16)32362-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/5347860/},
  note = {Source identifier: 5347860}
}