Adolescent 4 Humans 4 adolescent group therapy 4 human 4 Adult 3 Female 3 Male 3 Middle Aged 3 adult 3 controlled study 3 female 3 male 3 middle aged 3 Article 2 Child 2 Mental Disorders 2 Psychotherapy, Group 2 Young Adult 2 child 2 major clinical study 2 mental disease 2 psychology 2 treatment outcome 2 young adult 2 Adaptation, Psychological 1 Aged 1 Behavior Therapy 1 Black person 1 Borderline Personality Disorder 1