title: A new instrument for continuous measurement of tissue blood flow by light beating spectroscopy.
mesh_terms: D004301:Doppler Effect; D006801:Humans; D007834:Lasers; D008955:Models, Cardiovascular; D055095:Optics and Photonics / Q000295:instrumentation; D012039:Regional Blood Flow; D012212:Rheology; D012867:Skin / Q000098:blood supply*; D013057:Spectrum Analysis / Q000295:instrumentation*