共 19 条
[4]
COOPER JE, 1985, APPROCCIO EPIDEMIOLO
[5]
Fleiss JL., 1981, STAT METHODS RATES P, V2
[8]
LURIA RE, 1974, ARCH GEN PSYCHIAT, V30, P866
[9]
Montgomery D. C., 1976, DESIGN ANAL EXPT