@article{DA,
      author = {Edwards, Lowell (Miles Lowell), 1898-1982 and Starr,  Albert, 1926-},
      url = {http://digitalcollections.ohsu.edu/record/6053},
      title = {Two Starr-Edwards heart valve prototypes},
      abstract = {Two Starr-Edwards heart valve prototypes with  ball-and-cage design standing beside ruler for scale.},
      number = {DA},
      doi = {https://doi.org/10.6083/M4V123BD},
      recid = {6053},
      address = {1960},
}