@article{DA,
      author = {Edwards, Lowell (Miles Lowell), 1898-1982 and Starr,  Albert, 1926-},
      url = {http://digitalcollections.ohsu.edu/record/6038},
      title = {Starr-Edwards heart valve prototype},
      publisher = {Oregon Health & Science University},
      abstract = {Color digital photograph of a Starr-Edwards heart valve  prototype, ball-and-cage design with a plastic cage. The  valve is lying on its side.

circa 1957 - 1960},
      number = {DA},
      doi = {https://doi.org/10.6083/M4S75DXB},
      recid = {6038},
      address = {1960},
}