@article{DA,
      author = {American Cystoscope Makers, Inc.},
      url = {http://digitalcollections.ohsu.edu/record/4599},
      title = {Ophthalmoscope/otoscope in case},
      abstract = {ca. 1920},
      number = {DA},
      doi = {https://doi.org/10.6083/M4VM49NJ},
      recid = {4599},
      address = {1920},
}