Columbia subject headings:
Group psychotherapy.
Human biology--Social aspects.
Matter--Properties.
Small groups.
Social groups--Psychological aspects.
Harvard subject headings:
Group psychotherapy.
Human biology--Social aspects
Matter--Properties
Small groups.
Social groups--Psychological aspects
Princeton subject headings:
Group psychotherapy.
Human biology--Social aspects.
Matter--Properties.
Small groups.
Social groups--Psychological aspects.