共 18 条
[2]
Colton T., 1974, STAT MED, P189
[5]
LEE ET, 1980, STATISTICAL METHODS, P123
[9]
Posner J B, 1978, Adv Neurol, V19, P579
[10]
SHAPIRO WR, 1977, CANCER TREAT REP, V61, P733