@article{ETD,
      recid = {2527},
      author = {Evans, Mary A.},
      title = {Missing data methods: a review and comparison},
      school = {M.P.H.},
      address = {2001},
      number = {ETD},
      url = {http://digitalcollections.ohsu.edu/record/2527},
      doi = {https://doi.org/10.6083/M4WM1BQ1},
}