Article InformationAuthors: Agius, M. M.; Vance, M.Year: 2016Publication: Augmentative and alternative communication (Baltimore, Md. : 1985)Volume: 32Issue: 1Pages: 58-68DOI: 10.3109/07434618.2015.1108363 Final Quality and Data Extraction DecisionsAge: 36-71.9 months (3-5.9 years)Domains: CommunicationIntervention: Augmentative and alternative communicationPicture Exchange Communication System (PECS®)