@article{econhot_econhot-cited-4c59c3358c89ac60,
  title = {A tutorial on propensity score estimation for multiple treatments using generalized boosted models},
  author = {Daniel F. McCaffrey and Beth Ann Griffin and Daniel Almirall and Mary E. Slaughter and Rajeev N Ramchand and Lane F. Burgette},
  journal = {Statistics in Medicine},
  year = {2013},
  volume = {32},
  number = {19},
  pages = {3388-3414},
  doi = {10.1002/sim.5753},
  url = {https://doi.org/10.1002/sim.5753}
}