Heart transplants: to pay or not to pay.
D001900:Boston; D006348:Cardiac Surgical Procedures / Q000191:economics*; D035082:Federal Government; D006077:Government Agencies; D033161:Government Regulation; D016027:Heart Transplantation; D006769:Hospitals, General; D006801:Humans; D018579:Patient Selection; D040841:Resource Allocation; D014184:Transplantation, Homologous; D014481:United States