@article{DA,
      author = {Harwin, Fredric M.},
      url = {http://digitalcollections.ohsu.edu/record/9985},
      title = {Double heart valve illustration},
      publisher = {Oregon Health & Science University},
      abstract = {This illustration shows the placement of the famed Starr  Edwards Valve. The valve was created by pioneering surgeon  Dr. Albert Starr and engineer Lowell Edwards.},
      number = {DA},
      doi = {https://doi.org/10.6083/rv042t81j},
      recid = {9985},
      address = {1980},
}