title: Reflections on "what is a group?".
authors.affiliation: Queen's University in Kingston, Ontario, Canada. wep@post.queensu.ca
authors.forename: William E
authors.initials: WE
authors.lastname: Powles
mesh_terms: D006040:Goals; D006126:Group Processes; D006127:Group Structure; D006801:Humans; D011615:Psychotherapy, Group / Q000379:methods*