@misc{indiciaef3f6309385b8,
  title = {Causal inference from indirect experiments.},
  author = {J Pearl},
  year = {1995},
  doi = {10.1016/0933-3657(95)00027-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/8963376/},
  note = {Source identifier: 8963376}
}