Article InformationAuthors: Lorah, Elizabeth; Parnell, AshleyYear: 2017Publication: Journal of Developmental & Physical DisabilitiesVolume: 29Issue: 4Pages: 597-609DOI: 10.1007/s10882-017-9543-3 Final Quality and Data Extraction DecisionsAge: 36-71.9 months (3-5.9 years)Domains: CommunicationIntervention: Augmentative and alternative communication