jun xun zhong ying li xing gu zhe yu hou de chou yang guan cha
Li Zuguo  ̄1;Li Liangshou ̄1;Li Yuangui ̄1;Chen Youji ̄1;Huang Jiuyi ̄1;Sun Changsheng ̄1;Zhang Shizhong ̄1;Deng Jinglan ̄2;Yao Zusheng ̄3 ̄ Department of Epidemiology;Xi’an 710033  ̄2Department of Nuclear Medicine;XijingHospital  ̄3Health Sectio