DepartmentofUltrasound;
theFirstClinicalCollege;
HarbinMedicalUniversity;
Harbin150001;
HeilongjiangProvince;
China;
DepartmentofSurgery;
theFirstClinicalCollege;
HarbinMedicalUniversity;
Harbin150001;
HeilongjiangProvince;
China;
DepartmentofVIP;
theFirstClinicalCollege;
HarbinMedicalUniversity;
Harbin150001;
HeilongjiangProvince;
China;