@article{DA,
      url = {http://digitalcollections.ohsu.edu/record/6818},
      title = {Starr-Edwards heart valve},
      abstract = {Digital scan of a 35mm slide. Black-and-white side-by-side  images of a Starr-Edwards heart valve, ball-and-cage model  with protruding metal teeth. The teeth, which come through  the white mech cloth-covered ring of the cage, were meant  to grab onto tissue as the valve was rotated into place.},
      number = {DA},
      doi = {https://doi.org/10.6083/M469727D},
      recid = {6818},
}