@misc{indiciae9d35997c9118,
  title = {How many eggs?},
  author = {Marc J N C Keirse and Frans M Helmerhorst},
  year = {2004},
  doi = {10.1136/bmj.329.7461.302},
  url = {https://pubmed.ncbi.nlm.nih.gov/15297321/},
  note = {Source identifier: 15297321}
}