title: Thirty years on.
authors.forename: S
authors.initials: S
authors.lastname: Barr
mesh_terms: D000293:Adolescent; D002648:Child; D002651:Child Advocacy; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D010371:Pediatric Nursing; D012956:Societies, Nursing; D006113:United Kingdom