共 14 条
[1]
ARMITAGE P, 1974, STATISTICAL METHODS, P504
[5]
CARPENTER RG, 1981, MED SCI LAW, V21, P1
[6]
Draper N.R., 1966, APPL REGRESSION ANAL, P407
[8]
FROGGATT P, 1971, BRIT J PREV SOC MED, V25, P119
[10]
Mardia KV, 1972, STAT DIRECTIONAL DAT, P357