@article{consistentestimationofpropensityscore,
  title = {Consistent Estimation of Propensity Score Functions with Oversampled Exposed Subjects},
  author = {Sherri Rose},
  year = {2018},
  eprint = {1805.07684},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1805.07684v2},
}