机构:
Harvard Univ, Beth Israel Deaconess Med Ctr, Sch Med, Dept Med,Div Gastroenterol, Boston, MA 02215 USAHarvard Univ, Beth Israel Deaconess Med Ctr, Sch Med, Dept Med,Div Gastroenterol, Boston, MA 02215 USA
Michetti, P
ITALIAN JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY,
1998,
30
: S339
-
S341