Price survey. Pacemaker deals keeping prices in line.
D003284:Contract Services / Q000191:economics; D003625:Data Collection; D017147:Defibrillators, Implantable / Q000191:economics; D017721:Hospital Costs; D006801:Humans; D010138:Pacemaker, Artificial / Q000191:economics* / Q000600:supply & distribution; D011682:Purchasing, Hospital / Q000191:economics*; D014481:United States