@misc{indiciae2013e58b3b91,
  title = {A note on testing in Aalen's additive hazards regression models.},
  author = {Mouchumi Bhattacharyya and John P Klein},
  year = {2005},
  doi = {10.1002/sim.2105},
  url = {https://pubmed.ncbi.nlm.nih.gov/15889453/},
  note = {Source identifier: 15889453}
}