title: The Australian NHMRC Twin Registry: a resource for pediatric research.
authors.forename: J L
authors.initials: JL
authors.lastname: Hopper
mesh_terms: D000293:Adolescent; D000328:Adult; D001315:Australia; D002648:Child; D006801:Humans; D010372:Pediatrics; D012042:Registries; D012106:Research; D014427:Twins