@misc{indiciaef150dda40b0d,
  title = {MR-pheWAS with stratification and interaction: Searching for the causal effects of smoking heaviness identified an effect on facial aging},
  author = {Millard, L. A. and Munafo, M. R. and Tilling, K. and Wootton, R. E. and Davey Smith, G.},
  year = {2018},
  doi = {10.1101/441907},
  url = {https://www.biorxiv.org/content/10.1101/441907v1},
  note = {Source identifier: 10.1101/441907}
}