Blood velocity-time integral 2 &#x7C; Circulatory system XXX &#x7C; Cardiac ultrasound
blood velocity-time integral 2 &#x7c; circulatory system xxx &#x7c; cardiac ultrasound
Blood velocity-time integral 2 &#x7C; Circulatory system XXX &#x7C; Cardiac ultrasound
blood velocity-time integral 2 &#x7c; circulatory system xxx &#x7c; cardiac ultrasound