@article{ETD,
      school = {M.P.H.},
      author = {Martin, Jean A.},
      url = {http://digitalcollections.ohsu.edu/record/1934},
      title = {Prophylaxis frequency as a protective factor in  periodontal disease initiation among adults},
      number = {ETD},
      doi = {https://doi.org/10.6083/M4WS8RG7},
      recid = {1934},
      address = {1997},
}