TURKISH JOURNAL OF PEDIATRICS, vol.45, no.2, pp.102-107, 2003 (SCI-Expanded)
To determine the frequency of valvular regurgitation, 174 children from birth to 18 years old (mean age 7.42+/-4.54 years), with structurally normal hearts were analyzed. Flow patterns across the four valves were examined by pulsed(PW), continuous-wave (CW) and color Doppler.