title: [Society of siblings].
authors.forename: D P
authors.initials: DP
authors.lastname: Mertz
mesh_terms: D000328:Adult; D002648:Child; D003674:Defense Mechanisms; D003906:Developing Countries; D005858:Germany; D006801:Humans; D007391:International Cooperation; D012801:Sibling Relations; D012922:Social Change; D012941:Social Responsibility