MacKinnon, D P <br/><br/>
Mediating mechanisms in a school-based drug prevention program: first-year effects of the Midwestern Prevention Project.  [electronic resource] 

 -  Health psychology : official journal of the Division of Health Psychology, American Psychological Association  1991 
 - 164-72 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0278-6133 
<br/><br/><label>Standard No.: </label>10.1037//0278-6133.10.3.164  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Alcohol Drinking--prevention & control<br/>Attitude<br/>Child<br/>Cohort Studies<br/>Female<br/>Follow-Up Studies<br/>Health Education<br/>Humans<br/>Male<br/>Marijuana Abuse--prevention & control<br/>Midwestern United States<br/>Peer Group<br/>Smoking--psychology<br/>Smoking Prevention<br/>Social Environment<br/>Social Identification<br/>Substance-Related Disorders--prevention & control