title: In vitro calibration of a video-based method for measuring blood velocity in kidney medulla and other tissues subject to respiratory motion.
mesh_terms: D001775:Blood Circulation; D001783:Blood Flow Velocity; D006400:Hematocrit; D007679:Kidney Medulla / Q000098:blood supply* / Q000502:physiology; D008722:Methods; D009994:Osmolar Concentration; D010783:Photometry