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Start Over You searched for: Creator Kantrowitz, Adrian ✖ Remove constraint Creator: Kantrowitz, Adrian Format Text ✖ Remove constraint Format: Text Subject Pacemaker, Artificial ✖ Remove constraint Subject: Pacemaker, Artificial Subject Hospital Costs ✖ Remove constraint Subject: Hospital Costs Story Section Expanding Technological Possibilities, 1955-1970 ✖ Remove constraint Story Section: Expanding Technological Possibilities, 1955-1970