共 32 条
[1]
[Anonymous], 1980, ANAL CROSS CLASSIFIE
[3]
BEAUVAIS F, 1984, UNPUB TRENDS DRUG US
[4]
BURNSIDE MA, 1984, 92ND ANN CONV AM PSY
[6]
Cochran W.G, 1957, STAT METHODS, V6th ed
[7]
DRUG-USE AMONG WHITE AND AMERICAN-INDIAN HIGH-SCHOOL YOUTH
[J].
INTERNATIONAL JOURNAL OF THE ADDICTIONS,
1976, 11 (02)
:209-220
[8]
DIXON WJ, 1983, BMDP STATISTICAL SOF
[10]
Fleiss JL., 1981, STAT METHODS RATES P, V2