@article{DA,
      recid = {5561},
      title = {Starr-Edwards heart valve prototype},
      institution = {1966},
      organizations = {1966},
      publisher = {1966},
      address = {1956},
      number = {DA},
      year = {1961},
      abstract = {Black and white photograph of the bottom of a  Starr-Edwards heart valve prototype, ball-and-cage design.},
      url = {http://digitalcollections.ohsu.edu/record/5561},
      doi = {https://doi.org/10.6083/M40C4T93},
}