共 12 条
[6]
LAWAETZ O, 1982, SCAND J GASTROENTERO, V17, P825, DOI 10.3109/00365528209181100
[7]
LAWAETZ O, 1982, GUT, V23, P683, DOI 10.1136/gut.23.8.683
[8]
LAWAETZ O, 1982, SCAND J GASTROENTERO, V17, P1065
[9]
LAWAETZ O, SCAND J GASTROENTERO
[10]
LEEDS AR, 1981, LANCET, V1, P1075