Relationship between changes of blood flow velocity of superior mesenteric artery before and after the feeding with color Doppler ultrasonography and tolerance to enteral feeding in premature neonates是什么意思_Relationship between changes of blood flow velocity of superior mesenteric artery before and after the feeding with color Doppler ultrasonography and tolerance to enteral feeding in premature neonates在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句