@article{DA, recid = {6826}, author = {unknown}, title = {Artificial heart valve testing equipment}, publisher = {unknown}, number = {DA}, abstract = {Digital scan of a 35mm slide. Image of a black-and-white diagram of equipment developed by Lowell Edwards to test the durability of Starr-Edwards artificial heart valves. The diagram is titled: Medium Frequency Life Tester (1700-3400 Pulses/Minute).}, url = {http://digitalcollections.ohsu.edu/record/6826}, doi = {https://doi.org/10.6083/M45B013K}, }