@article{ETD,
      recid = {2501},
      author = {Chorak, Mario D.},
      title = {Comparison of post-treatment occlusal settling, alignment,  and functional occlusion utilizing Hawley versus  circumferential maxillary retainers},
      publisher = {Oregon Health Sciences University},
      school = {Certificate in Orthodontics},
      address = {2001},
      number = {ETD},
      url = {http://digitalcollections.ohsu.edu/record/2501},
      doi = {https://doi.org/10.6083/M48050WV},
}