共 7 条
[2]
BARMEIR S, 1984, AM J OBSTET GYNECOL, V15, P1003
[3]
KOZAREK RA, 1988, AM J GASTROENTEROL, V83, P55
[4]
KOZAREK RA, IN PRESS GASTROINTES
[6]
ROSCH W, 1976, ENDOSCOPY, V8, P172
[7]
Takagi, 1975, GASTROINTEST ENDOSC, V17, P678