[Effect of gravity on blood flow and distribution in large vessels of healthy human subjects].
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D000293:Adolescent; D000328:Adult; D001783:Blood Flow Velocity / Q000502:physiology; D001808:Blood Vessels / Q000000981:diagnostic imaging / Q000502:physiology*; D005260:Female; D006112:Gravitation; D006801:Humans; D008297:Male; D008875:Middle Aged; D018608:Ultrasonography, Doppler