共 6 条
[1]
FOUTCH PG, 1990, GASTROINTEST ENDOSC, V36, P337
[2]
HERLINGER H, 1989, CLIN RADIOLOGY SMALL, P402
[4]
MOORE JD, 1976, ARCH SURG-CHICAGO, V111, P381
[6]
VU H, 1990, AM SURGEON, V56, P302