Relationship of drug involvement to dropping out of college.
D000124:Achievement; D000293:Adolescent; D000428:Alcohol Drinking; D005260:Female; D006801:Humans; D008297:Male; D009042:Motivation; D013332:Student Dropouts; D019966:Substance-Related Disorders / Q000150:complications*; D013997:Time Factors; D014495:Universities