@misc{indiciae6a175abb5cfe,
  title = {Old letters, new rules.},
  author = {James Bradley Summers and Joseph Kaminski},
  year = {2003},
  doi = {10.1016/s0140-6736(03)12591-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/12606204/},
  note = {Source identifier: 12606204}
}