共 20 条
[2]
BLACKSTONE MO, 1984, ENDOSCOPIC INTERPRET
[4]
COOK AO, 1986, ARCH SURG-CHICAGO, V121, P603
[5]
DEKKER W, 1977, GASTROENTEROLOGY, V73, P710
[6]
GINDRO T, 1988, ENDOSCOPIA GASTROENT, P7
[7]
GRAHAM DY, 1982, GASTROENTEROLOGY, V82, P228
[8]
GREEN J, 1988, AM J GASTROENTEROL, V83, P1150