@article{nguyen2016-26633592,
  author  = {Nguyen, T. T. and Tchetgen Tchetgen, E. J. and Kawachi, I. and Gilman, S. E. and Walter, S. and Liu, S. Y. and Manly, J. J. and Glymour, M. M.},
  title   = {{Instrumental variable approaches to identifying the causal effect of educational attainment on dementia risk}},
  journal = {Annals of epidemiology},
  year    = {2016},
  doi     = {10.1016/j.annepidem.2015.10.006},
  pmid    = {26633592},
  url     = {https://doi.org/10.1016/j.annepidem.2015.10.006}
}