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Periodical. Dennis, Clarence, Dwight S. Spreng Jr., George E. Nelson, Karl E. Karlson, Russell M. Nelson, John V. Thomas, Walter Phillip Eder, and Richard L. Varco. "Development of a Pump-Oxygenator to Replace the Heart and Lungs: An Apparatus Applicable to Human Patients, and Application to One Case." Annals of Surgery 134, 4 (October 1951): 709-721. Article. 13 Images.. Annals of Surgery