@misc{indiciae9cd8ff2241ca,
  title = {The X-Factors.},
  author = {M Grace},
  year = {1996},
  doi = {10.1038/sj.bdj.4809052},
  url = {https://pubmed.ncbi.nlm.nih.gov/9011174/},
  note = {Source identifier: 9011174}
}