@article{DA, recid = {6815}, title = {Artificial heart valves}, number = {DA}, abstract = {Digital scan of a 35mm slide. Black-and-white side-by-side image of two ball-and-cage style artificial heart valves, probably Starr-Edwards models. White plastic ball is enclosed in a metal cage, set in a dark mesh cloth-covered disc.}, url = {http://digitalcollections.ohsu.edu/record/6815}, doi = {https://doi.org/10.6083/M4KK99FX}, }