Clinical symptom and sign present overlapping.
临床症状、体征交叉出现。
Results Clinical symptom and sign of the treatment group were improved more than those of the controls ( P< 0.01);
结果：治疗组的临床症状及体征的改善优于对照组（P< 0 .0 1 ） ；
The light degree dilation of intrahepatic bile duct were found in whose clinical symptom and sign were not clear and obvious.
无明显临床症状和体征者肝内胆管为轻微或轻度扩张。
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