Use of color Doppler esophageal ultrasonography for assessing hemodynamics of the lower esophageal veins before and after endoscopic esophageal variceal ligation是什么意思_Use of color Doppler esophageal ultrasonography for assessing hemodynamics of the lower esophageal veins before and after endoscopic esophageal variceal ligation在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句