机构:
Washington Univ, Mallinckrodt Inst Radiol, Cardiothorac Imaging Sect, St Louis, MO 63110 USAWashington Univ, Mallinckrodt Inst Radiol, Cardiothorac Imaging Sect, St Louis, MO 63110 USA
机构:
Columbia Univ Coll Phys & Surg, Div Digest & Liver Dis, New York, NY 10032 USAColumbia Univ Coll Phys & Surg, Div Digest & Liver Dis, New York, NY 10032 USA