title: Time interval between e.c.g. R wave and peak flow velocity in leg arteries of normal humans.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001783:Blood Flow Velocity; D004562:Electrocardiography; D005263:Femoral Artery / Q000502:physiology; D006801:Humans; D007866:Leg / Q000098:blood supply*; D008875:Middle Aged; D011150:Popliteal Artery / Q000502:physiology; D013997:Time Factors; D014465:Ultrasonics