共 15 条
[2]
BOESBY S, 1975, SCAND J GASTROENTERO, V10, P731
[3]
BRADLEY J. V., 1968, DISTRIBUTION FREE ST
[4]
Conover W. J., 1971, PRACTICAL NONPARAMET
[10]
ORR WC, 1984, GASTROENTEROLOGY, V86, P814