@misc{indiciae5430a6b77f62,
  title = {Letter: Cusums.},
  author = {L Freedman},
  year = {1974},
  doi = {10.1016/s0140-6736(74)92954-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/4132468/},
  note = {Source identifier: 4132468}
}