共 7 条
[1]
AWOUTERS F, 1975, ARZNEIMITTEL-FORSCH, V25, P1526
[2]
BARRY H, 1974, FED PROC, V33, P1814
[5]
Siegel S., 1956, NONPARAMETRIC STAT B
[7]
WALZ DT, 1971, P SOC EXP BIOL MED, V136, P906