@misc{indiciae9090e63f4680,
  title = {A simple screening method for lactose malabsorption.},
  author = {M Isokoski and J Jussila and S Sarna},
  year = {1972},
  url = {https://pubmed.ncbi.nlm.nih.gov/5059431/},
  note = {Source identifier: 5059431}
}