@article{DA,
      url = {http://digitalcollections.ohsu.edu/record/4775},
      title = {Cotton roll},
      abstract = {Digital photograph of a homemade cotton roll used to keep  the mouth dry while putting in dental fillings.},
      number = {DA},
      doi = {https://doi.org/10.6083/M4VQ313Q},
      recid = {4775},
}