@misc{indiciaea28223e5b0f9,
  title = {Estimating causal effects from large data sets using propensity scores.},
  author = {D B Rubin},
  year = {1997},
  doi = {10.7326/0003-4819-127-8\_part\_2-199710151-00064},
  url = {https://pubmed.ncbi.nlm.nih.gov/9382394/},
  note = {Source identifier: 9382394}
}