Problem children - Longitudinal studies. - Pennsylvania - Pittsburgh

Antisocial behavior and mental health problems = explanatory factors in childhood and adolescence / by: (Electronic resources)

Child.

Conduct Disorder- Adolescent.

Social Behavior Disorders- Adolescent.

Social Behavior Disorders.

Juvenile Delinquency.

Problem youth- Pennsylvania

Substance-Related Disorders- Adolescent.

Conduct Disorder.

Longitudinal Studies.

Substance-Related Disorders.

Problem children- Pennsylvania

Depression- Adolescent.

Depression.