@article{ETD,
      recid = {1733},
      author = {Boyd, Douglas C.},
      title = {Hard and soft tissue reaction to four amalgam systems: a  histologic and electron microprobe investigation},
      publisher = {University of Oregon Health Sciences Center},
      school = {M.S.},
      address = {1976},
      number = {ETD},
      url = {http://digitalcollections.ohsu.edu/record/1733},
      doi = {https://doi.org/10.6083/M4833Q6V},
}