@article{ETD,
      school = {Certificate in Orthodontics},
      author = {Crew, Jon W.},
      url = {http://digitalcollections.ohsu.edu/record/1290},
      title = {A computer aided cephalometric study of orthodontically  treated patients ten years post-retention: a longitudinal  implant study},
      number = {ETD},
      doi = {https://doi.org/10.6083/M4MP51FF},
      recid = {1290},
      address = {1987},
}