title: A review of non-invasive measurement of blood flow.
mesh_terms: D000818:Animals; D001783:Blood Flow Velocity; D002302:Cardiac Output; D004582:Electronics, Medical; D006801:Humans; D007201:Indicator Dilution Techniques; D009682:Magnetic Resonance Spectroscopy / Q000295:instrumentation; D010991:Plethysmography; D010992:Plethysmography, Impedance; D014159:Transducers; D014463:Ultrasonography