@misc{indiciae00a9d06c2506,
  title = {Changing genes; losing lactase.},
  author = {R J Grand and R K Montgomery and D K Chitkara and J N Hirschhorn},
  year = {2003},
  doi = {10.1136/gut.52.5.617},
  url = {https://pubmed.ncbi.nlm.nih.gov/12692040/},
  note = {Source identifier: 12692040}
}