@article{DA,
      url = {http://digitalcollections.ohsu.edu/record/6850},
      title = {Artificial heart valve},
      abstract = {Digital scan of a 35mm slide. Image of a disc-style  artificial heart valve, with an opaque plastic disc  enclosed in a metal cage. The ring of the cage is covered  in white mesh cloth. The valve is set on a light blue  background.},
      number = {DA},
      doi = {https://doi.org/10.6083/M42F7M3C},
      recid = {6850},
}