title: Electrical impedance plethysmography as a method of evaluating the peripheral circulation. I. Analysis of method.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001808:Blood Vessels / Q000502:physiology; D004548:Elasticity; D006801:Humans; D007866:Leg / Q000098:blood supply*; D008722:Methods; D008875:Middle Aged; D010991:Plethysmography; D010992:Plethysmography, Impedance; D012039:Regional Blood Flow; D013564:Sympathetic Nervous System / Q000502:physiology