General Hospital of Lanzhou Military Command of PLA,Lanzhou 730050,China;
General Hospital of Lanzhou Military Command of PLA,Lanzhou 730050,China;
General Hospital of Lanzhou Military Command of PLA,Lanzhou 730050,China;
General Hospital of Lanzhou Military Command of PLA,Lanzhou 730050,China;
General Hospital of Lanzhou Military Command of PLA,Lanzhou 730050,China;