Abusers
Addiction
Addicts
Amphetamines
Barbiturates
Behavior disorders
Confusion
Depression
Discriminant analysis
Distress
Drug abusers
Drug addiction
Drug usage
Etiology
Heroin
Language
Minnesota Multiphasic Personality Inventory
MMPI
MMPI correlates
MMPI research
Multiple discriminant analysis
Personality
Personality correlates
Profile
Research
Sociopathy
Theory
Treatment
Treatment program
Variance