@article{ETD,
      school = {M.S.},
      author = {Macdonald, Robert A.},
      url = {http://digitalcollections.ohsu.edu/record/2277},
      title = {Effects of time and direction of light exposure on the  initial bond strength of orthodontic brackets activated  with a high intensity light-emitting diode (LED) source  versus a halogen light source},
      publisher = {Oregon Health and Science University},
      number = {ETD},
      doi = {https://doi.org/10.6083/M4MG7MSN},
      recid = {2277},
      address = {2005},
}