The Causal Analysis on Infancy Ⅰ～Ⅱ/Ⅵ Grade Systolic Murmur with Colour Doppler Echocardiographic Examination
The Causal Analysis on Infancy Ⅰ～Ⅱ/Ⅵ Grade Systolic Murmur with Colour Doppler Echocardiographic Examination
彩色多普勒超声心动力图对婴幼儿Ⅰ～Ⅱ/Ⅵ级收缩期心杂音的原因分析