@misc{indiciae7d652e9d6725,
  title = {How many, how old, how soon?},
  author = {K T Khaw},
  year = {1999},
  doi = {10.1136/bmj.319.7221.1350},
  url = {https://pubmed.ncbi.nlm.nih.gov/10567145/},
  note = {Source identifier: 10567145}
}