@misc{indiciaec9649a50dd09,
  title = {Estimating endogenous treatment effects in retrospective data analysis.},
  author = {J Terza},
  doi = {10.1046/j.1524-4733.1999.26003.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/16674329/},
  note = {Source identifier: 16674329}
}