作者单位:
Liaoning Univ Tradit Chinese Med, Dept Ultrasound, Affiliated Hosp, Shenyang 110032, Liaoning
[1]
Liaoning Univ Tradit Chinese Med, Dept Ultrasound, Affiliated Hosp 2, Shenyang 110034, Liaoning
[2]
China Med Univ, Dept Cardiovasc Ultrasound, Hosp 1, Shenyang, Liaoning, Peoples R China
[3]
Liaoning Prov Ctr Dis Control & Prevent, Dept Chron Dis, Shenyang 110005, Liaoning, Peoples R China
[4]
发布时间
2020-03-21