口腔扁平苔藓 心脾蕴热证 肝郁气滞证 肝肾阴虚证 气血不足证 丁素先 oral lichen planus (OLP) syndrome of heat accumulating in the heart and spleen syndrome of liver depression and qi stagnation syndrome of yin deficiency of the liver and kidney syndrome of qi and blood deficiency Ding Suxian