@misc{indiciae134d57773a70,
  title = {Geography and lactose malabsorption.},
  author = {G Flatz and H W Rotthauwe},
  year = {1979},
  doi = {10.1007/bf01299836},
  url = {https://pubmed.ncbi.nlm.nih.gov/456235/},
  note = {Source identifier: 456235}
}