共 36 条
[2]
BOIX J, 1989, REV CLIN ESP, V184, P357
[3]
BOSCH J, 1981, GASTROENTEROLOGY, V80, P518
[5]
CARDONA C, 1987, ITAL J SURG SCI, V17, P21
[6]
DIXON WJ, 1988, BMDP STATISTICAL SOF
[7]
DOMBAL FT, 1986, ENDOSCOPY, V18, P6
[9]
Farre A, 1989, GASTROENTEROLOG A HE, V12, P18
[10]
FEU F, 1993, GASTROENTEROL HEPATO, V16, P230