机构:
Washington Univ, Div Hepatobiliary Pancreat & Gastrointestinal Sur, Sch Med, 660 South Euclid Ave Box 8109, St Louis, MO 63110 USAWashington Univ, Div Hepatobiliary Pancreat & Gastrointestinal Sur, Sch Med, 660 South Euclid Ave Box 8109, St Louis, MO 63110 USA