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Start Over You searched for: Creator Raillard, Heinz ✖ Remove constraint Creator: Raillard, Heinz Creator Feldman, Daniel S. ✖ Remove constraint Creator: Feldman, Daniel S. Subject Heart-Assist Devices ✖ Remove constraint Subject: Heart-Assist Devices Subject Pacemaker, Artificial ✖ Remove constraint Subject: Pacemaker, Artificial Genre Articles ✖ Remove constraint Genre: Articles Publisher Franklin H. Martin Memorial Foundation ✖ Remove constraint Publisher: Franklin H. Martin Memorial Foundation