The origins of open heart surgery at the University of Minnesota 1951 to 1956 Richard A. DeWall, MD The Journal of Thoracic and Cardiovascular Surgery Volume 142, Issue 2, Pages 267-269 (August 2011) DOI: 10.1016/j.jtcvs.2011.04.021 Copyright © 2011 The American Association for Thoracic Surgery Terms and Conditions
Figure 1 Helical reservoir pump oxygenator, 1955. The Journal of Thoracic and Cardiovascular Surgery 2011 142, 267-269DOI: (10.1016/j.jtcvs.2011.04.021) Copyright © 2011 The American Association for Thoracic Surgery Terms and Conditions