Objective: To identify polymorphism of apolipoprotein E (Apo E) , and to determine whether Apo E gene polymorphism are associated with essential hypertension in Tibetan、Han and Hui population in high altitude area.

Expression of vascular endothelial growth factors receptors difference between women in Tibetan and Han nationalities of endometriosis;

An Investigation and Study on the Ethnic Intermarriage between Mongolian, Tibetan, Hui and Hans in Delingha City;