@article{DA,
      url = {http://digitalcollections.ohsu.edu/record/4739},
      title = {Calculi},
      abstract = {A collection of calculi destroyed through lithotripsy,  donated by A.E. Mackay, M.D. The calculi have been mounted  for display in a wood and glass case measuring 61 x 31 x  7.2 cm. Many of the specimens have broken away from their  mountings, and are loose in the case. The collection is  comprised of thirty-eight glass bottles containing the  remnants of various calculi.},
      number = {DA},
      doi = {https://doi.org/10.6083/M4HM56V8},
      recid = {4739},
      address = {1920},
}