@article{DA,
      author = {Starr, Albert, 1926- and Edwards, Lowell (Miles Lowell),  1898-1982},
      url = {http://digitalcollections.ohsu.edu/record/6044},
      title = {Three Starr-Edwards heart valve prototypes with flap  design},
      abstract = {Three Starr-Edwards heart valve prototypes, flap design,  showing various stages of design including a valve with no  flaps. Valves sit beside ruler for scale.},
      number = {DA},
      doi = {https://doi.org/10.6083/M40R9N0P},
      recid = {6044},
      address = {1960},
}