共 41 条
[2]
BEHAR J, 1975, NEW ENGL J MED, V293, P4
[6]
DEKKER W, 1977, GASTROENTEROLOGY, V73, P710
[7]
DEKKER W, 1977, RADIOL CLIN, V46, P115
[10]
EULER AR, 1977, GASTROENTEROLOGY, V72, P260