@article{DA,
      recid = {4491},
      author = {Riggs Optical Co. and Fisher, W. H.},
      title = {Fischer Schematic Eye},
      address = {1930},
      number = {DA},
      abstract = {Medical Museum Collection, Box 42},
      url = {http://digitalcollections.ohsu.edu/record/4491},
      doi = {https://doi.org/10.6083/M4TB158R},
}