共 38 条
[1]
ASKIN JR, 1978, GASTROENTEROLOGY, V74, P560
[4]
BATESON MC, 1975, BMJ-BRIT MED J, V4, P427
[7]
EVERSON GT, 1982, GASTROENTEROLOGY, V82, P711
[8]
FRIEDMAN GD, 1966, J CHRON DIS, V16, P273
[9]
GALVAO H, 1981, ITAL J GASTROENTEROL, V3, P100
[10]
GIUNCHI G, 1984, EPIDEMIOLOGY PREVENT, P5