@misc{indiciae7c8fcf9c7c7c,
  title = {Introduction to surrogate markers.},
  author = {Jay N Cohn},
  year = {2004},
  doi = {10.1161/01.cir.0000133441.05780.1d},
  url = {https://pubmed.ncbi.nlm.nih.gov/15226247/},
  note = {Source identifier: 15226247}
}