@misc{indiciae43d2af54ce39,
  title = {Monitoring mortality at interim analyses while testing a composite endpoint at the final analysis.},
  author = {Y H Joshua Chen and David L DeMets and K K Gordon Lan},
  year = {2003},
  doi = {10.1016/s0197-2456(02)00306-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/12559639/},
  note = {Source identifier: 12559639}
}