@article{DA,
      url = {http://digitalcollections.ohsu.edu/record/7037},
      title = {X-ray of implanted heart valves, post-operation},
      abstract = {Black and white photograph of an x-ray showing the  location of three heart-valves in a post-operative  patient.},
      number = {DA},
      doi = {https://doi.org/10.6083/M4S1816F},
      recid = {7037},
}