@article{DA,
      recid = {4129},
      author = {Wayson, Newton Edward, 1883-1962 and E. Leitz,  Switzerland},
      title = {Blood count kit},
      address = {1900},
      number = {DA},
      abstract = {ca. 1890's-1900's},
      url = {http://digitalcollections.ohsu.edu/record/4129},
      doi = {https://doi.org/10.6083/M4KK994W},
}