共 16 条
- [1] BETHGE N, 1995, AM J GASTROENTEROL, V90, P2143
- [5] BUSET M, 1987, GASTROINTEST ENDOSC, V33, P857
- [6] COLIN CF, 1984, AM J SURG, V148, P460
- [7] CONIO M, 1996, GASTROINTEST ENDOSC, V43, P264
- [8] DePalma GD, 1996, GASTROINTEST ENDOSC, V43, P478
- [9] GOLDSCHMID S, 1988, AM J GASTROENTEROL, V83, P513