Nh?c nh? ??y màu s?c và ?m áp: mua r?i ro, c??c tr?c tuy?n ph?i th?n tr?ng bán nh?ng ng??i tr? tu?i 18e. fifteen–20 cm/s) and lowered wall filters to capture spectral Doppler data. In circumstances the place It's not necessarily normally attainable to achieve comprehensive sequential segmental imaging scientific tests in CHD populations (i.e