To the editor:.
Parsonnet
Victor
V
D019544:Equipment Failure Analysis / Q000592:standards* / Q000706:statistics & numerical data*; D006278:Medicare; D009515:New Jersey / Q000453:epidemiology; D010138:Pacemaker, Artificial / Q000592:standards / Q000706:statistics & numerical data*; D017410:Practice Guidelines as Topic; D017216:Telemedicine / Q000592:standards* / Q000706:statistics & numerical data*; D014481:United States