@article{DA,
      url = {http://digitalcollections.ohsu.edu/record/6811},
      title = {Artificial heart valve, implantation},
      abstract = {Digital scan of a 35mm slide. Close-up image of an  artificial heart valve being implanted.},
      number = {DA},
      doi = {https://doi.org/10.6083/M43J3BMM},
      recid = {6811},
}