@article{ETD,
      author = {West, James},
      url = {http://digitalcollections.ohsu.edu/record/2126},
      title = {The gingival smile: smile and exposed gingiva rankings of  OHSU retention patients},
      publisher = {Oregon Health Sciences University},
      number = {ETD},
      doi = {https://doi.org/10.6083/M4RX99BK},
      recid = {2126},
      address = {1993},
}