title: A microcomputer-based heart-rate variability monitor.
mesh_terms: D003201:Computers; D006339:Heart Rate; D006801:Humans; D007231:Infant, Newborn; D008433:Mathematics; D008838:Microcomputers; D008991:Monitoring, Physiologic / Q000295:instrumentation* / Q000379:methods; D012127:Respiratory Distress Syndrome, Newborn / Q000175:diagnosis