共 11 条
[1]
ALLISON DJ, 1982, LANCET, V2, P30
[5]
JENSEN DM, 1980, GASTROENTEROLOGY, V80, P1184
[6]
KNUTSEN OH, 1984, ACTA CHIR SCAND, V150, P259
[8]
MARKISZ JA, 1982, GASTROENTEROLOGY, V83, P394