Compassion, caution and courage.
D006348:Cardiac Surgical Procedures / Q000266:history; D003643:Death; D004992:Ethics, Medical; D016027:Heart Transplantation; D049673:History, 20th Century; D006805:Human Experimentation; D006801:Humans; D013997:Time Factors; D014184:Transplantation, Homologous