@misc{indiciae56daf6c19afa,
  title = {Secondary endpoints cannot be validly analyzed if the primary endpoint does not demonstrate clear statistical significance.},
  author = {R T O'Neill},
  year = {1997},
  doi = {10.1016/s0197-2456(97)00075-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/9408717/},
  note = {Source identifier: 9408717}
}