Who benefits from the artificial heart?
D026683:Advisory Committees; D035843:Biomedical Research; D003362:Cost-Benefit Analysis; D004992:Ethics, Medical; D035082:Federal Government; D033161:Government Regulation; D006331:Heart Diseases / Q000601:surgery*; D006354:Heart, Artificial / Q000191:economics; D006801:Humans; D006278:Medicare / Q000191:economics; D012106:Research; D040841:Resource Allocation; D014481:United States; D014486:United States Food and Drug Administration