Mediating mechanisms in a school-based drug prevention program: First-year effects of the Midwestern Prevention Project.

David P. MacKinnon(Arizona State University), Eric Yu-I Wang, Mary Ann Pentz(University of Southern California), William B. Hansen(University of Southern California), Brian R. Flay(Boise State University), C. Anderson Johnson(Vanderbilt University Medical Center), James H. Dwyer(University of Southern California)
Health Psychology
January 1, 1991
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