@misc{indiciae855dbdce1b0c,
  title = {John parker},
  author = {M Davies and J Batten},
  year = {1998},
  doi = {10.1136/bmj.316.7149.1987},
  url = {https://pubmed.ncbi.nlm.nih.gov/9641961/},
  note = {Source identifier: 9641961}
}