Norman G. Hoffmann

The relationship between pre-, during-, post-treatment factors, and adolescent substance abuse behaviors.

C. Hollister, N. Hoffmann, S. Hsieh, 1998, Addictive behaviors.

Concurrent validation of substance abusers self-reports against collateral information: percentage agreement vs. kappa vs. Yule's Y.

N. Hoffmann, F. Ninonuevo, Norman G. Hoffmann, 1994, Alcoholism, clinical and experimental research.