英语语法分析

Methods 30 patients were analyzed. 13 cases of the prehepatic portal hypertension(43.3%) and 17 cases of Budd-Chiari Syndrome(56.7%) were treated.

方法回顾30例门脉高压症患儿，肝前性门脉高压13例（43.3% ） ，肝后性即布加综合征17例（5 6 .7% ）。

NOS-containing nerve fibers were more abundant in distribution and richer in color in pancreas of cirrhotic rats and prehepatic hypertensive rats than those of the control group.

其中肝硬化组及部分门静脉结扎组大鼠NOS阳性神经纤维较正常组明显增多，染色增强。