@article{DA,
      url = {http://digitalcollections.ohsu.edu/record/6836},
      title = {Artificial heart valves, implanted},
      abstract = {Digital scan of a 35mm slide. X-ray of a patient with  three artificial heart valves implanted in the chest  cavity.},
      number = {DA},
      doi = {https://doi.org/10.6083/M4VX0F5H},
      recid = {6836},
}