共 7 条
[1]
DAVIES AM, 1979, B WORLD HEALTH ORGAN, V57, P373
[2]
Feinstein AR, 1977, CLIN BIOSTATISTICS
[3]
Feinstein AR, 1985, CLIN EPIDEMIOLOGY AR
[4]
Sackett DL, 1985, CLIN EPIDEMIOLOGY BA
[5]
Zar J.H., 1974, BIOSTATISTICAL ANAL
[6]
1980, DHHS PHS801260 US DE
[7]
1982, SAS USERS GUIDE BASI