@misc{indiciaeca4fa5cdb384,
  title = {Directionality and scientific inference.},
  author = {A R Feinstein},
  year = {1989},
  doi = {10.1016/0895-4356(89)90095-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/2778464/},
  note = {Source identifier: 2778464}
}