共 23 条
[1]
ELSBORG L, 1985, HEPATO-GASTROENTEROL, V32, P181
[2]
Fleiss JL., 1981, STAT METHODS RATES P, V2
[3]
HAMEETEMAN WVD, IN PRESS J CLIN GAST
[4]
HOLLANDER D, 1984, SCAND J GASTROENTERO, V19, P97
[5]
KATZ PO, 1985, GASTROENTEROLOGY, V88, P1438
[8]
MARKS IN, 1980, S AFR MED J, V57, P567
[9]
MONNIER P, 1984, SCAND J GASTROENTERO, V19, P26
[10]
NAGASHIMA R, 1981, J CLIN GASTROENTEROL, V3, P117