TY - GEN AU - Gray,K E AU - Barritt,D W AU - Ross,F G TI - Proceedings: Echocardiographic assessment of severity of aortic regurgitation SN - 0007-0769 PY - 1975///0909 KW - Aortic Valve Insufficiency KW - diagnosis KW - Cardiac Output KW - Echocardiography KW - Heart Ventricles KW - anatomy & histology KW - Humans N1 - Publication Type: Journal Article ER -