1. Barlow, R. E.,et al. (1972).Statistical Inference Under Order Restrictions, Wiley, New York.
2. Biglan, A., and Ary, D. V. (1985). Methodological issues in research on smoking prevention. In Bell, C. S., and Battjes, R. (eds.),Prevention Research: Deterring Drug Abuse among Children and Adolescents, National Institute of Drug Abuse Research Monograph 63, DHHS Publ. No. (ADM) 85-1334, Rockville, Md., pp. 170?195.
3. Botvin, G. J.,et al. (1984). A cognitive-behavioral approach to substance abuse prevention.Addict. Behav. 9: 137?147.
4. Carey, K. B., and Abrams, D. B. (1988). Properties of saliva cotinine in young adult light smokers.Am. J. Publ. Hlth. 78: 842?843.
5. Haley, N. J., Axelrad, C. A., and Tilton, K. A. (1983). Validation of self-reported smoking behavior: Biochemical analysis of cotinine and thiocanate.Am. J. Publ. Hlth. 73: 1204?1207.