@misc{8116,
  author = {M. Eberg and R. Platt and P. Reynier and K. Filion},
  title = {Estimation of high-dimensional propensity scores with multiple exposure levels},
  year = {2019},
  journal = {Pharmacoepidemiol Drug Saf},
  issn = {1053-8569},
  doi = {10.1002/pds.4890},
}