@article{DA,
      author = {Poppe, J. Karl},
      url = {http://digitalcollections.ohsu.edu/record/4593},
      title = {Cardiovascular and thoracic surgical instruments},
      abstract = {1950-1960},
      number = {DA},
      doi = {https://doi.org/10.6083/M4N29VBN},
      recid = {4593},
      address = {1960},
}