@article{inferenceofcausaleffectswhenadjustment,
  title = {Inference of Causal Effects when Control Variables are Unknown},
  author = {Ludvig Hult and Dave Zachariah},
  year = {2020},
  eprint = {2012.08154},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2012.08154v3},
}