@article{DA,
      recid = {4649},
      title = {Obstetric instruments},
      address = {1900},
      number = {DA},
      abstract = {ca. 1890-1900},
      url = {http://digitalcollections.ohsu.edu/record/4649},
      doi = {https://doi.org/10.6083/M4DB806Q},
}