@article{DA,
      author = {F.G. Otto && Sons},
      url = {http://digitalcollections.ohsu.edu/record/4522},
      title = {Amputating and trepanning set},
      abstract = {Digital photograph of an amputation and trepanning set.  The purple velvet-lined case has been set on a gray  counter, and opened to show the contents. A typed  identification label can also be seen. A ruler, shown for  size comparison, can just be seen in the bottom edge of the  image.},
      number = {DA},
      doi = {https://doi.org/10.6083/M4T43RG5},
      recid = {4522},
      address = {1890},
}