title: Sources of measurement error in noninvasive electronic instrumentation.
mesh_terms: D004562:Electrocardiography / Q000592:standards; D004566:Electrodes; D004865:Equipment and Supplies, Hospital / Q000145:classification / Q000592:standards*; D006801:Humans; D008991:Monitoring, Physiologic / Q000295:instrumentation*; D009732:Nursing Care; D013686:Telemetry; D014159:Transducers; D014894:Weights and Measures / Q000592:standards*