共 21 条
[1]
[Anonymous], 1973, MULTIPLE REGRESSION
[3]
BECK AT, 1972, POSTGRAD MED, V52, P981
[4]
BERSTAD A, 1976, SCAND J GASTROEN S42, V11, P423
[5]
BONNEVIE O, 1977, GASTROENTEROLOGY, V73, P1000
[7]
Congalton A. A., 1969, AUSTR VIET NAM
[9]
GULDAHL M, 1977, SCAND J GASTROENTERO, V12, P27
[10]
KRAUSE U, 1963, ACTA CHIR SCAND S310, P10