@article{DA,
      url = {http://digitalcollections.ohsu.edu/record/6864},
      title = {Artificial heart valve},
      abstract = {Digital scan of a 35mm slide. Image of a ball-and-cage  style artificial heart valve set on an red background. The  white plastic ball is enclosed in a white mesh  cloth-covered cage.},
      number = {DA},
      doi = {https://doi.org/10.6083/M480519N},
      recid = {6864},
}