Assisted circulation with an auxiliary heart transplant.

Richenbacher WE and Pierce WS: Chapter 19: Assisted Circulation and the Mechanical Heart.

Assisted Circulation for Chronic Heart Failure, International Society for Artificial Organs (ISAO), U.S.

He was one of the first to work with extracorporeal circulation brain-lung machines (he built his own) and the use of an auxiliary heart transplant for providing assisted circulation, as well as to develop heterologous and homologous artificial heart valves, using dura mater.