Using heart rate variability measures in clinical research designs.
Burr
R
R
School of Nursing, University of Washington, Seattle 98195.
Dougherty
C
C
Buchanan
L
L
D002985:Clinical Protocols; D004562:Electrocardiography; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D012107:Research Design; D012815:Signal Processing, Computer-Assisted