@article{DA,
      url = {http://digitalcollections.ohsu.edu/record/6809},
      title = {Artificial heart valves},
      abstract = {Digital scan of a 35mm slide. Black-and-white side-by-side  image of two heart valves.},
      number = {DA},
      doi = {https://doi.org/10.6083/M4C24V34},
      recid = {6809},
}