@misc{indiciae39a3bee0dd0c,
  title = {Selection bias in instrumental variable analyses},
  author = {Hughes, R. A. and Davies, N. M. and Davey Smith, G. and Tilling, K.},
  year = {2017},
  doi = {10.1101/192237},
  url = {https://www.biorxiv.org/content/10.1101/192237v1},
  note = {Source identifier: 10.1101/192237}
}