The calcareous curst of weathering of upper Jianshan Formation and the iron crust of weather of upper Bilute Formation in Baiyunebo Group separatly represent the division surface for Changcheng and Jixian system,and Jixian and Qingbaikou, which has consistence and correlatability in wider region.

Xuesaitong joint Lunanxinkang treatment of 40 patients with angina pectoris;

cases of mixed type angina were treated with Buyanghuanwu Decoction(补阳还五汤,BD)Lunanxinkang tablets and aspirin for three weeks,50 cases treated only with western medicine were set up as the control group.

Root and American Open Door Policy;