机构:
GEORGE WASHINGTON UNIV, MED CTR, DEPT RADIOL, DIAG ULTRASOUND SECT, WASHINGTON, DC 20037 USAGEORGE WASHINGTON UNIV, MED CTR, DEPT RADIOL, DIAG ULTRASOUND SECT, WASHINGTON, DC 20037 USA
机构:
GEORGE WASHINGTON UNIV, MED CTR, DEPT RADIOL, DIAG ULTRASOUND SECT, WASHINGTON, DC 20037 USAGEORGE WASHINGTON UNIV, MED CTR, DEPT RADIOL, DIAG ULTRASOUND SECT, WASHINGTON, DC 20037 USA