@misc{indiciaec127bb41af81,
  title = {Interpreting time-related trends in effect estimates.},
  author = {S Greenland},
  year = {1987},
  doi = {10.1016/s0021-9681(87)80005-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/3667863/},
  note = {Source identifier: 3667863}
}