[Results of ultrasonics studies in subjects without heart disease and in mitral stenosis].
D006321:Heart / Q000502:physiology*; D006331:Heart Diseases; D006801:Humans; D008946:Mitral Valve Stenosis / Q000175:diagnosis*; D012106:Research; D014465:Ultrasonics
HEART/physiology; MITRAL STENOSIS/diagnosis; ULTRASONICS